[feature] Test against the version of Java for eXist-db 6.x.x (Java 8), and eXist-db 7.x.x (Java 17)

Author: adamretter

.github/workflows/ci.yml

@@ -6,15 +6,16 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        jdk: ['8', '11']
+        jdk: ['8', '17']
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
       - name: Set up JDK ${{ matrix.jdk }}
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v3
         with:
           java-version: ${{ matrix.jdk }}
+          distribution: 'temurin'
       - name: Cache Maven packages
         uses: actions/cache@v2
         with: