Update tests.yml

Author: ArtifactForms

.github/workflows/tests.yml

@@ -6,10 +6,10 @@ jobs:
     steps:
       - name: Checkout the repository
         uses: actions/checkout@v2
-      - name: Set up JDK 14
+      - name: Set up JDK 17
         uses: actions/setup-java@v1
         with:
-          java-version: 14
+          java-version: '17'
       - name: Cache Maven packages
         uses: actions/cache@v2
         with: