add JDK 17 to crossbuild

Author: SethTisue

.github/workflows/validate.yml

@@ -34,7 +34,7 @@ jobs:
           - 2.13.6
           - 2.13.7
           - 2.13.8
-        jdk-version: [1.8, 1.11]
+        jdk-version: [1.8, 1.11, 1.17]
 
     steps:
       - name: Checkout