Record junit logs only once

Author: kylekatarnls

.github/workflows/tests.yaml

@@ -62,6 +62,7 @@ jobs:
         run: vendor/bin/phpunit --log-junit=test-results.xml
 
       - name: Upload Test Results
+        if: matrix.php == 8.4 && matrix.setup == 'stable'
         uses: actions/upload-artifact@v4
         with:
           name: "${{ matrix.php-version }}-phpunit-results"