Merge pull request iipc#105 from sebastian-nagel/upgrade-github-workflow-actions-cache

Upgrade GitHub workflow actions cache

Author: ato

.github/workflows/maven.yml

@@ -24,7 +24,7 @@ jobs:
         distribution: 'temurin'
         cache: maven
     - name: Cache local Maven repository
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}