Update action versions

.github/workflows/build.yml

@@ -14,17 +14,17 @@ jobs:
         with:
           fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
       - name: Set up JDK 16
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
           java-version: 16
       - name: Cache SonarCloud packages
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.sonar/cache
           key: ${{ runner.os }}-sonar
           restore-keys: ${{ runner.os }}-sonar
       - name: Cache Maven packages
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: ~/.m2
           key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}