main.yml: add JDK 17 tests

.github/workflows/main.yml

@@ -89,7 +89,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest,windows-2019,macOS-latest]
-        jdk: [8, 11]
+        jdk: [8, 11, 17]
         include:
           - os: ubuntu-latest
             osName: linux
@@ -100,6 +100,8 @@ jobs:
             osName: mac
           - jdk: 11
             deploy: false
+          - jdk: 17
+            deploy: false
 
     steps:
       - name: Clone the repo