Correcting GH workflow

Author: ddebowczyk

.github/workflows/php.yml

@@ -45,5 +45,14 @@ jobs:
 #    - name: Run test suite
 #      run: composer test
 
+    - name: Install dependencies in all packages
+      run: |
+        for dir in packages/*; do
+          if [ -f "$dir/composer.json" ]; then
+            echo "📦 Installing dependencies in $dir"
+            composer --working-dir="$dir" update --no-interaction ${{ matrix.composer }}
+          fi
+        done
+
     - name: Run all tests
       run: ./bin/run-all-tests.sh