set java version to 17 in test runner

Author: Andrew Strelsky

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v1
       - uses: actions/setup-java@v1
         with:
-          java-version: "11"
+          java-version: "17"
           java-package: jdk
           architecture: x64
       - uses: er28-0652/setup-ghidra@master