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PR Summary

This PR updates the authentication method used in the release notes check script. The previous approach initialized the Github API client using only the access token. The updated code now creates an authentication object using the token and passes it to the Github client constructor. This change follows best practices recommended by the Github library, ensuring better security and clearer authentication code structure. Only functional changes have been applied, with no alterations to non-critical files.

Test Suggestions

• Test the script with a valid GitHub access token to ensure that the authentication process is working correctly.
• Verify that the script correctly fetches the repository and pull request details after the changes.
• Simulate an invalid or expired token scenario to test error handling and user feedback.