Add test coverage PR comment action (cfug#2150)

<!-- Write down your pull request descriptions. -->

### New Pull Request Checklist

- [ ] I have read the
[Documentation](https://pub.dev/documentation/dio/latest/)
- [ ] I have searched for a similar pull request in the
[project](https://github.com/cfug/dio/pulls) and found none
- [ ] I have updated this branch with the latest `main` branch to avoid
conflicts (via merge from master or rebase)
- [ ] I have added the required tests to prove the fix/feature I'm
adding
- [ ] I have updated the documentation (if necessary)
- [ ] I have run the tests without failures
- [ ] I have updated the `CHANGELOG.md` in the corresponding package

### Additional context and info (if any)

<!-- Provide more context and info about the PR. -->

.github/workflows/tests.yml

@@ -19,6 +19,9 @@ concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
   cancel-in-progress: true
 
+permissions:
+  pull-requests: write
+
 defaults:
   run:
     shell: bash -leo pipefail {0}
@@ -96,7 +99,15 @@ jobs:
         run: melos run coverage:show
       - name: '[Coverage] Coverage Report'
         uses: clearlyip/code-coverage-report-action@v4
+        id: code_coverage_report
         if: ${{ matrix.sdk == 'stable' && github.actor != 'dependabot[bot]'}}
         with:
-          artifact_download_workflow_names: 'tests,coverage_base'
+          artifact_download_workflow_names: 'Verify packages abilities,coverage_baseline'
           filename: 'coverage/cobertura.xml'
+      - name: '[Coverage] Add PR comment'
+        uses: marocchino/sticky-pull-request-comment@v2
+        #Make sure the report was generated and that the event is actually a pull request, run if failed or success
+        if: ${{  matrix.sdk == 'stable' && github.actor != 'dependabot[bot]' && steps.code_coverage_report.outputs.file != '' && (github.event_name == 'pull_request' || github.event_name == 'pull_request_target') && (success() || failure()) }}
+        with:
+          recreate: true
+          path: code-coverage-results.md