feat(auth): add support for Google Colab token retrieval (#377)
* feat(auth): add support for Google Colab token retrieval
* feat(auth): implement Google Colab token retrieval mechanism
* fix(auth): correct conditional logic in fetch_credentials function
* fix(auth): remove unnecessary noqa comment in is_google_colab function
* fix(auth): remove unnecessary noqa comment and import get_ipython
* fix(auth): handle token parsing and improve Google Colab detection
* fix(auth): correct conditional logic in fetch_credentials function
* fix(auth): reorder credential fetching logic to prioritize Google Colab token
* fix(auth): remove Google Colab token handling and related logic from fal
* fix(auth): remove Google Colab state management and token retrieval logic
* fix(auth): implement Google Colab token retrieval with state management
