Merge pull request #82 from codehaus-plexus/dependabot/github_actions/actions/cache-v2.1.0

Author: dependabot[bot]

.github/workflows/maven.yml

@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@v2
 
       - name: Set up cache for ~./m2/repository
-        uses: actions/cache@v1
+        uses: actions/cache@v2.1.0
         with:
           path: ~/.m2/repository
           key: maven-${{ matrix.os }}-java${{ matrix.java }}-${{ hashFiles('**/pom.xml') }}