Summary

• Implements conditional CI execution using dorny/paths-filter
• Skips expensive test runs for documentation-only changes
• Maintains required status checks compliance

Details

This PR modifies the CI workflow to intelligently skip tests when changes don't affect source code or build configuration. The implementation:

1. Uses dorny/paths-filter to detect if any code-related files have changed

2. Runs actual tests only when changes are detected in:

   • Scala/Java source files
   • Build files (*.sbt, build.properties)
   • Native libraries (*.so, *.dll)
   • Resources
   • GitHub workflow files

3. Provides skip jobs that satisfy required status checks when no code changes are detected

Benefits

• Reduces CI time and resource usage for documentation changes
• Faster feedback for contributors making non-code changes
• Still maintains code quality by running all tests when needed

Test plan

• Created test documentation file to verify skip behavior
• PR should show all required checks passing with skip messages
• Modify a source file in another commit to verify tests run normally

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