Refactor CI Workflows

[alganet]

• Added a composite action for common setup tasks.
• Shorter names that fit better GitHub runner displays.
• Changed ci-perf to only run if src or tests change.
• Removed redundant step names when they're obvious.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.03%. Comparing base (00e7f2a) to head (762c3f7).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1634   +/-   ##
=========================================
  Coverage     98.03%   98.03%           
  Complexity      961      961           
=========================================
  Files           197      197           
  Lines          2234     2234           
=========================================
  Hits           2190     2190           
  Misses           44       44           

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[Copilot]

Pull request overview

This PR refactors CI workflows to improve maintainability and readability by consolidating common setup tasks into a reusable composite action and renaming workflows with shorter, more display-friendly names.

Changes:

• Created a composite action (.github/actions/setup-action) to consolidate PHP, Python, and dependency installation steps
• Renamed and reorganized workflows: continuous-integration-code.yml → ci-code.yml, continuous-integration-docs.yml → ci-docs.yml, and continuous-integration-perf.yml → ci-perf.yml
• Updated path filters in ci-perf workflow to run only when src, tests, or .github directories change
• Removed redundant step names throughout workflows for cleaner display
• Updated REUSE.toml to include the new .github/actions/ path pattern

Reviewed changes

Copilot reviewed 9 out of 9 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
.github/actions/setup-action/action.yml	New composite action that centralizes environment setup for PHP, Python, and dependencies
.github/workflows/ci-code.yml	New workflow replacing continuous-integration-code.yml with shorter name and using the composite action
.github/workflows/ci-docs.yml	New workflow replacing continuous-integration-docs.yml with shorter name and using the composite action
.github/workflows/ci-perf.yml	Renamed from continuous-integration-perf.yml, updated path filters, uses composite action, removed matrix strategy
.github/workflows/reuse.yml	Refactored to use the new composite action, removed redundant step names
.github/workflows/release.yml	Removed redundant "Checkout" step name
continuous-integration-code.yml	Deleted (replaced by ci-code.yml)
continuous-integration-docs.yml	Deleted (replaced by ci-docs.yml)
REUSE.toml	Added .github/actions/**.yml to path patterns for license compliance

Comments suppressed due to low confidence (1)

.github/workflows/ci-perf.yml:13

• The path filtering logic is inverted between push and pull_request events. According to the PR description, ci-perf should "only run if src or tests change", but the current configuration does the opposite:

• For push events: uses paths-ignore for 'src/' and 'tests/', meaning it runs when these paths DON'T change
• For pull_request events: uses paths for 'src/' and 'tests/', meaning it runs when these paths DO change

Both events should use the same filtering approach. If the intention is to run only when src or tests change, both should use paths (not paths-ignore) with the same path patterns.

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