updated cache

Author: rPraml

.github/workflows/build.yml

@@ -24,7 +24,7 @@ jobs:
         java-version: ${{ matrix.java_version }}
         distribution: 'zulu'
     - name: Maven cache
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       env:
         cache-name: maven-cache
       with: