build(deps): bump actions/cache from 2.1.5 to 2.1.6

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.5 to 2.1.6.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2.1.5...v2.1.6)

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build.yml

@@ -52,7 +52,7 @@ jobs:
           java-version: ${{matrix.java}}
 
       - name: Cache Maven packages
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/it-with-arq-payara-managed.yml

@@ -56,7 +56,7 @@ jobs:
           docker ps -a
 #      - run: sudo netstat -ano
       - name: Cache Maven packages
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/it-with-arq-wildfly-embedded.yml

@@ -30,7 +30,7 @@ jobs:
           docker ps -a
 
       - name: Cache Maven packages
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}

.github/workflows/it-with-arq-wildfly-managed.yml

@@ -33,13 +33,13 @@ jobs:
           docker-compose up -d postgres
           docker ps -a
       - name: Cache SonarCloud packages
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
       - name: Cache Maven packages
-        uses: actions/cache@v2.1.5
+        uses: actions/cache@v2.1.6
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}