hashFiles composer.json in composer cache

Author: qurben

.github/workflows/ci.yml

@@ -25,7 +25,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: vendor
-          key: ${{ runner.os }}-composer-dev-${{ hashFiles('**/composer.lock') }}
+          key: ${{ runner.os }}-composer-dev-${{ hashFiles('**/composer.lock', '**/composer.json') }}
           restore-keys: |
             ${{ runner.os }}-composer-dev-