CI: test on JDK 17 final

Author: SethTisue

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java: [8, 11, 17-ea]
+        java: [8, 11, 17]
         scala: [2.11.12, 2.12.14, 2.13.6, 3.0.2]
     runs-on: ubuntu-latest
     steps: