update maven.yaml

Author: slachiewicz

.github/workflows/maven.yml

@@ -25,29 +25,18 @@ jobs:
     strategy:
       matrix:
         os: [ ubuntu-latest,windows-latest, macOS-latest ]
-        java: [ 8, 11, 16, 17-ea ]
+        java: [ 8, 11, 17 ]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}
 
     steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-
-      - name: Set up cache for ~./m2/repository
-        uses: actions/cache@v2
-        with:
-          path: ~/.m2/repository
-          key: maven-${{ matrix.os }}-java${{ matrix.java }}-${{ hashFiles('**/pom.xml') }}
-          restore-keys: |
-            maven-${{ matrix.os }}-java${{ matrix.java }}-
-            maven-${{ matrix.os }}-
-
-      - name: Set up JDK
-        uses: actions/setup-java@v2
+      - uses: actions/checkout@v2
+      - uses: actions/setup-java@v2
         with:
           distribution: adopt
           java-version: ${{ matrix.java }}
+          cache: 'maven'
 
       - name: Build with Maven
-        run: mvn --batch-mode --errors --show-version verify
+        run: mvn --batch-mode --errors --show-version verify site