8309934: Update GitHub Actions to use JDK 17 for building jtreg

Reviewed-by: erikj

Author: sormuras

.github/actions/get-jtreg/action.yml

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -57,7 +57,7 @@ runs:
     - name: 'Build JTReg'
       run: |
         # Build JTReg and move files to the proper locations
-        bash make/build.sh --jdk "$JAVA_HOME_11_X64"
+        bash make/build.sh --jdk "$JAVA_HOME_17_X64"
         mkdir ../installed
         mv build/images/jtreg/* ../installed
       working-directory: jtreg/src