Merge pull request #410 from abenettt/feature/github-actions-cache-version

Update to v2 of actions/cache action

Author: owenvoke

.github/workflows/ci.yml

@@ -19,10 +19,12 @@ jobs:
       uses: actions/checkout@v2
 
     - name: Cache dependencies
-      uses: actions/cache@v1
+      uses: actions/cache@v2
       with:
         path: ~/.composer/cache/files
         key: dependencies-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}
+        restore-keys: |
+          dependencies-php-${{ matrix.php }}-composer-
 
     - name: Setup PHP
       uses: shivammathur/setup-php@v2