Inject pypi overrides into search

[blast-hardcheese]

Initial pass of this functionality, if a user searches for a package that we already know should be something else, just pretend that's what they typed.

An unintended consequence of this is giving better matches for package extensions in an ecosystem:

Before

Replit-Devon-Stewarts-MacBook-Pro:upm ((c7d056ef...)) dstewart$ make upm && ./cmd/upm/upm --lang python3-pip search discord
cd cmd/upm && go build -ldflags "-X 'github.com/replit/upm/internal/cli.version=${VERSION:-development version}'"
Name                  Description                                                                                                   Version
-------------------   -----------------------------------------------------------------------------------------------------------   -----------------
discord               A mirror package for discord.py. Please install that instead.                                                 2.3.2
discord2              A Python wrapper for the Discord API                                                                          2.0.1
discord-db            Helpfull db writen on sqlite3, already has channel vars, global user vars, server user vars and server vars   0.1.0
discord-experiments   A wrapper to the Discord Experiments API                                                                      0.0.1
discord-config        Easy config module for Discord bots                                                                           0.0.2
discord-logging       Transfer logs acquired by logging module to discord with webhook!                                             1.0
discord.py            A Python wrapper for the Discord API                                                                          2.3.2
discord-lib           Create discord.py clients from XML, JSON, yaml etc                                                            0.0.5
discord-interactive   A package allowing you to display interactive help in Discord easily                                          4.1.0
discord-cli           A simple command line interface for discord bots                                                              1.0.0
discord-android       Make your discord.py bots appear as if they are on a phone.                                                   1.1.0
discord-musicbot      MusicBot bot for Discord.                                                                                     0.0.3.dev20170604
discord-webhook       Easily send Discord webhooks with Python                                                                      1.3.0
discord.js            The Python module for discord.js.                                                                             1.0.7
discord-rpc           An Python wrapper for Discord RPC                                                                             4.0
discord-logger        Discord Logger is a custom message logger to Discord for Python 3                                             1.2.3
discord-emoji         Converter between discord emoji and unicode emoji.                                                            1.4.2
notify-discord        A simple python script to push notification on discord's channel using webhooks                               0.1
Justify-discord       Discord bot util                                                                                              1.0
dronefly-discord      Dronefly Discord library                                                                                      0.1.1

After

Replit-Devon-Stewarts-MacBook-Pro:upm ((c7d056ef...)) dstewart$ make upm && ./cmd/upm/upm --lang python3-pip search discord
cd cmd/upm && go build -ldflags "-X 'github.com/replit/upm/internal/cli.version=${VERSION:-development version}'"
Name                      Description                                                                                                            Version
-----------------------   --------------------------------------------------------------------------------------------------------------------   ------------
discord.py                A Python wrapper for the Discord API                                                                                   2.3.2
discord.py-ipc            A discord.py extension for inter-process communication.                                                                1.1.0
discord.py-Console        Executes commands from console while your bot is running.                                                              0.1.2
discord-apii-py           discord api wrapper made by zt#7380                                                                                    0.0.1
discord-py-dashboard      Веб-перехватчик и расширение discord.py на основе запросов для создания панели управления ботом.                       0.3.1
discord.py-paginator      A button & interactions pagination template for discord bots coded in discord.py                                       1.5.0
discord.py-pagination     Easily create pagination for your embeds.                                                                              0.0.5
discord-api.py            This is discord-api wrapper.                                                                                           0.2.1
discord.py-stubs          discord.py stubs                                                                                                       1.7.3
discord-interactions.py   A library around the Discord Interactions API                                                                          0.0.8
discord.py-self           A Python wrapper for the Discord user API                                                                              2.0.0
discord.py-fork           A fork of an Python wrapper for the Discord API                                                                        2.0.0a0
discord.py-unofficial     A python wrapper for the Discord API                                                                                   0.17.1
discord-py-interactions   Easy, simple, scalable and modular: a Python API wrapper for interactions.                                             5.11.0
discord-oauth2.py         Use Discord's OAuth2 effortlessly! Turns the auth code to a access token and the access token into scope infomation.   1.2.1
py-discord                A Discord API wrapper.                                                                                                 0.0.1
echo-discord.py           A Python wrapper for the Discord API                                                                                   1.2.6
django-discord-py         Easy to use, easy to setup discord bots with django integration                                                        2023.301.243
flare-discord.py          Provides a simple, single import cog to add a checkable page to your bot for uptime status monitoring                  1.0.0
py-discord-api            Python's Library for Discord API                                                                                       0.0.1