Bump actions/setup-java from v1 to v2 (#29)

* Bump actions/setup-java from v1 to v2

Bumps [actions/setup-java](https://github.com/actions/setup-java) from v1 to v2.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v1...8764a52)

Signed-off-by: dependabot[bot] <[email protected]>

* add distribution required parameter

Signed-off-by: olivier lamy <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: olivier lamy <[email protected]>

Author: dependabot[bot]

.github/workflows/maven.yml

@@ -43,8 +43,9 @@ jobs:
             maven-${{ matrix.os }}-java${{ matrix.java }}-
             maven-${{ matrix.os }}-
       - 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