chore(ci): add ruby 4.0 and bump rails 8.1.x to latest

[solnic]

Updates matrix accordingly.

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

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[cursor]

Missing exclude entries for Ruby 4.0 with older Rails

Medium Severity

Ruby "4.0" is added to the include entries but no corresponding exclude entries are added. The base matrix crosses ruby_version (from inputs.versions, which will include "4.0") with rails_version: [6.1.0, 7.0.0, 7.1.0]. Ruby "3.4" is already excluded from 6.1.0 and 7.0.0 for compatibility reasons, but Ruby "4.0" is not — resulting in CI jobs for 4.0 × 6.1.0 and 4.0 × 7.0.0 (and likely 4.0 × 7.1.0) that will fail due to incompatibility.

Additional Locations (1)

• .github/workflows/sentry_rails_test.yml#L66-L73

 

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