Update mvntest.yml

Author: wnm3

.github/workflows/mvntest.yml

@@ -8,10 +8,10 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 11
+      - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
-          java-version: '11'
+          java-version: '17'
           distribution: 'temurin'
       - name: Build with Maven
         run: mvn --batch-mode --update-snapshots verify