Bump actions/setup-java from v1 to v2 (#93)

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]>

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -15,8 +15,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Set up Java
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'adopt'
           java-version: ${{ matrix.java }}
       - name: Run tests
         uses: eskatos/gradle-command-action@v1
@@ -30,8 +31,9 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Set up Java
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'adopt'
           java-version: 8 # Build releases using oldest supported jdk
       - name: Publish to Sonatype
         uses: eskatos/gradle-command-action@v1