TASK: Adjust versions of github actions

Author: mficzel

.github/workflows/build.yml

@@ -44,7 +44,7 @@ jobs:
           composer config --no-plugins allow-plugins.neos/composer-plugin true
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           path: ${{ env.NEOS_FOLDER }}${{ env.DIST_FOLDER }}
 
@@ -56,7 +56,7 @@ jobs:
 
       - name: Cache Composer packages
         id: composer-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: |
             ~/.cache/composer