Merge pull request #26 from OpenConext/dependabot/github_actions/acti…

…ons/cache-4

Bump actions/cache from 2 to 4

.github/workflows/stepup-behat.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Get Composer Cache Directory
         id: composer-cache
         run: echo "::set-output name=dir::$(composer config cache-files-dir)"
-      - uses: actions/cache@v2
+      - uses: actions/cache@v4
         with:
           path: ${{ steps.composer-cache.outputs.dir }}
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}