test: Improvements to CI Workflows

[evansims]

Changes

This pull request updates our continuous integration workflows.

codeql.yml

• Updated name to be consistent with other security scan workflows and repository migrations (clearer for branch protection filtering.)

snyk.yml

• Specify Python 3.7+ as the runtime for dependency installs during the security scan.
• Add support for uploading scan results to GitHub Code Scanning.

References

Updates based on internal feedback and conversations.

Testing

This pull request applies improvements to the continuous integration testing for the repository but does not add additional unit tests.

Checklist

• I have read the Auth0 general contribution guidelines
• I have read the Auth0 Code of Conduct
• All existing and new tests complete without errors

[github-advanced-security]

This pull request sets up GitHub code scanning for this repository. Once the scans have completed and the checks have passed, the analysis results for this pull request branch will appear on this overview. Once you merge this pull request, the 'Security' tab will show more code scanning analysis results (for example, for the default branch). Depending on your configuration and choice of analysis tool, future pull requests will be annotated with code scanning analysis results. For more information about GitHub code scanning, check out the documentation.

[evansims]

Note that the current Snyk job will be marked as failing until this is merged. We can force merge after approval to resolve future runs.