Merge pull request #506 from bocytko/patch-1

Updates actions/cache to v4

Author: lukasniemeier-zalando

.github/workflows/build.yaml

@@ -24,7 +24,7 @@ jobs:
     - name: Checkout
       uses: actions/checkout@v1
     - name: Cache
-      uses: actions/cache@v1
+      uses: actions/cache@v4
       with:
         path: ~/.m2
         key: m2