Merge pull request #50 from apache/dependabot/github_actions/actions/setup-java-2

Bump actions/setup-java from 1 to 2
diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 759dc26..b0915e2 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -70,8 +70,9 @@
           </toolchains>
           EOF
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'adopt'
           java-version: ${{ matrix.java }}
 
       - name: Build with Maven