chore(deps): bump actions/cache from v1 to v2 (#11)

Bumps [actions/cache](https://github.com/actions/cache) from v1 to v2.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v1...b820478)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/php.yml

@@ -25,7 +25,7 @@ jobs:
       - uses: actions/[email protected]
 
       - name: Cache dependencies
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.composer/cache/files
           key: dependencies-laravel-${{ matrix.laravel }}-php-${{ matrix.php }}-composer-${{ hashFiles('composer.json') }}