Bump Go version to 1.23 and upgrade golang.org/x/oauth2 to v0.27.0

[developerkunal]

🔧 Changes

This PR bumps the Go version to 1.23.0 to align with our support policy and ensure compatibility with the latest language features and security updates.

Additionally, it upgrades golang.org/x/oauth2 to v0.27.0 to stay up to date with the latest OAuth2 improvements and fixes.

Changes include:

• Updated go.mod to specify go 1.23.0.
• Upgraded golang.org/x/oauth2 to v0.27.0.
• Ran go mod tidy to clean up dependencies.

📚 References

N/A (No related issues or discussions, but the upgrade aligns with Go’s support policy).

🔬 Testing

• Verified that the build and tests pass locally with Go 1.23.
• Ensured no breaking changes were introduced by the OAuth2 upgrade.

📝 Checklist

• All new/changed/fixed functionality is covered by tests (or N/A).
• I have added documentation for all new/changed functionality (or N/A).

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.46%. Comparing base (5d08847) to head (d08b89a).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #518      +/-   ##
==========================================
- Coverage   95.61%   95.46%   -0.16%     
==========================================
  Files          57       58       +1     
  Lines       11269    11287      +18     
==========================================
  Hits        10775    10775              
- Misses        373      391      +18     
  Partials      121      121              

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