ci: add composer validation and job timeout

Author: andrepimpao

.github/workflows/ci.yml

@@ -17,6 +17,7 @@ jobs:
   tests:
     name: PHP ${{ matrix.php }} Test
     runs-on: ubuntu-latest
+    timeout-minutes: 10
     strategy:
       fail-fast: false
       matrix:
@@ -33,6 +34,10 @@ jobs:
           tools: composer:v2
           coverage: none
 
+      - name: Validate Composer configuration
+        if: matrix.php == '8.1'
+        run: composer validate --strict --no-check-lock
+
       - name: Install dependencies
         run: composer update --prefer-dist --no-interaction --no-progress