INF-402: Add GH actions timeout.

Author: petarbasic

.github/workflows/PHPUnit-CodeStyle.yml

@@ -11,6 +11,7 @@ jobs:
   PHPUnit-CodeStyle:
     name: PHPUnit and code style checks
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
       - name: Setup PHP