Fix CI & migrate to mavenCentral

[Mookiies]

Summary

1. Bump joschi/setup-jdk from v1 to v2 (latest) to fix CI for android
2. Swap jcenter with mavenCentral due to upcoming (feb 2022) jcenter deprecation: https://developer.android.com/studio/build/jcenter-migration. Done for library and example app.

Android CI Error

This error in the use specific Java version for sdk manager to work job is solved by version bump allowing for android builds to pass the github workflow

Error: Unable to process command '::set-env name=JAVA_HOME::/Users/runner/hostedtoolcache/AdoptOpenJDK/1.0.0-releases-openjdk8-hotspot-normal-latest/x64' successfully.
Error: The `set-env` command is disabled. Please upgrade to using Environment Files or opt into unsecure command execution by setting the `ACTIONS_ALLOW_UNSECURE_COMMANDS` environment variable to `true`. For more information see: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/
Error: Unable to process command '::set-env name=JAVA_HOME_openjdk8_x64::/Users/runner/hostedtoolcache/AdoptOpenJDK/1.0.0-releases-openjdk8-hotspot-normal-latest/x64' successfully.
Error: The `set-env` command is disabled. Please upgrade to using Environment Files or opt into unsecure command execution by setting the `ACTIONS_ALLOW_UNSECURE_COMMANDS` environment variable to `true`. For more information see: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/
Error: Unable to process command '::add-path::/Users/runner/hostedtoolcache/AdoptOpenJDK/1.0.0-releases-openjdk8-hotspot-normal-latest/x64/bin' successfully.
Error: The `add-path` command is disabled. Please upgrade to using Environment Files or opt into unsecure command execution by setting the `ACTIONS_ALLOW_UNSECURE_COMMANDS` environment variable to `true`. For more information see: https://github.blog/changelog/2020-10-01-github-actions-deprecating-set-env-and-add-path-commands/

Test Plan

Make CI Green + check Example app on both iOS and android simulators

Checklist

• I have tested this on a device and a simulator
• I added the documentation in README.md
• I updated the typed files (TS and Flow)
• I've added Detox End-to-End Test(s)

[Mookiies]

I also took a stab at fixing the iOS workflows failure but was unsuccessful so I created this issue #250

[reime005]

@Mookiies I think iOS can be fixed by this, could you test/ this in your branch?: 6fed07c

[Mookiies]

@reime005 That commit makes it pass the workflow 🎉

I've cherry-picked that commit and added it to this branch/pr

[reime005]

@Mookiies Cool, thanks! Will merge

[github-actions]

🎉 This PR is included in version 6.2.1 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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