Revert changes to maven.yml

Author: ajrice6713

.github/workflows/maven.yml

@@ -17,11 +17,11 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        java: [ '8' ]
+        java: [ '11' ]
     steps:
     - uses: actions/checkout@v2
     - name: Set up JDK
-      uses: actions/setup-java@v2
+      uses: actions/setup-java@v3
       with:
         java-version: ${{ matrix.java }}
         distribution: 'temurin'