Fix workflow

Author: Majekdor

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
         cache: maven
 
     - name: cache maven packages
-      uses: actions/cache@v1
+      uses: actions/cache@v4
       with:
         path: ~/.m2
         key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}