Merge pull request #1735 from kubernetes-client/dependabot/github_actions/actions/cache-2.1.6

Bump actions/cache from 2.1.5 to 2.1.6

Author: k8s-ci-robot

.github/workflows/maven.yml

@@ -37,7 +37,7 @@ jobs:
           distribution: 'adopt'
           java-version: ${{ matrix.java }}
       - name: Cache local Maven repository
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
@@ -83,7 +83,7 @@ jobs:
           distribution: 'adopt'
           java-version: 11.0.x
       - name: Cache local Maven repository
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.m2/repository
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}