enable java17 test

Author: JasperGeurtz

.github/workflows/maven.yml

@@ -13,9 +13,9 @@ jobs:
     strategy:
       matrix:
         java:
-         - '8'
-         - '11'
-         #- '17'
+         - '8'  # 2030.12
+         - '11' # 2026.09
+         - '17' # 2029.09
     name: Java ${{ matrix.Java }} sample
     steps:
       - uses: actions/checkout@v2