feat: update dependencies for Google Authentication Library and Google Calendar API

[ogabrielluiz]

This commit updates the dependencies for the Google Authentication Library and Google Calendar API. It includes the following changes:

• Upgraded google-auth to version 2.15.0
• Added google-auth-oauthlib version 1.2.1
• Added langchain-google-calendar-tools version 0.0.1

These updates ensure compatibility with the latest versions of the libraries and improve the functionality of the application.

[github-actions]

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_{Last Modified at 10 Jul 24 21:45 UTC}