fix: make reusable workflow resilient to missing test runners

Detect whether pest, phpunit, or pint are installed before running them.
Repos without test runners will skip gracefully instead of failing with
"No such file or directory".

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.forgejo/workflows/php-test.yml

@@ -48,12 +48,23 @@ jobs:
 
       - name: Run Pint
         if: inputs.pint
-        run: vendor/bin/pint --test
+        run: |
+          if [ -f vendor/bin/pint ]; then
+            vendor/bin/pint --test
+          else
+            echo "Pint not installed, skipping"
+          fi
 
       - name: Run tests
         run: |
-          FLAGS="--ci"
-          if [ "${{ inputs.coverage }}" = "true" ]; then
-            FLAGS="$FLAGS --coverage"
+          if [ -f vendor/bin/pest ]; then
+            FLAGS="--ci"
+            if [ "${{ inputs.coverage }}" = "true" ]; then
+              FLAGS="$FLAGS --coverage"
+            fi
+            vendor/bin/pest $FLAGS
+          elif [ -f vendor/bin/phpunit ]; then
+            vendor/bin/phpunit
+          else
+            echo "No test runner found (pest or phpunit), skipping tests"
           fi
-          vendor/bin/pest $FLAGS