Check for phar build

Author: sebastianfeldmann

.github/workflows/integration.yml

@@ -100,4 +100,5 @@ jobs:
       run: ${{ env.PHAR }} --configuration=build/captainhook.json hook:pre-push
 
     - name: Execute phar end-to-end tests
+      if: ${{ matrix.buildphar }}
       run: CH_TEST_BIN=${{ env.PHAR }} tools/phpunit --no-coverage --testsuite EndToEndTests