Merge pull request #236 from dxw/dependabot/github_actions/actions/ca…

…che-4.0.1

Bump actions/cache from 3.3.2 to 4.0.1

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
       id: composer-cache
       run: |
         echo "::set-output name=dir::$(composer config cache-files-dir)"
-    - uses: actions/cache@v3.3.2
+    - uses: actions/cache@v4.0.1
       with:
         path: ${{ steps.composer-cache.outputs.dir }}
         key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}