Update maven.yml

Author: FrancescoDiSalesGithub

.github/workflows/maven.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - name: Set up JDK 1.8
+    - name: Set up JDK 14
       uses: actions/setup-java@v1
       with:
         java-version: 14