use Adoptium and JDK 17 LTS

Author: chrjohn

.github/workflows/maven.yml

@@ -13,16 +13,17 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-18.04, macOS-latest, windows-2016]
-        java: [8, 11, 15]
+        java: [8, 11, 17]
       fail-fast: false
       max-parallel: 4
     name: Test JDK ${{ matrix.java }}, ${{ matrix.os }}
 
     steps:
       - uses: actions/checkout@v1
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v2
         with:
+          distribution: 'temurin'
           java-version: ${{ matrix.java }}
       - name: Test with Maven
         env: