(doc) add Java 17 to test

Author: slachiewicz

.github/workflows/maven.yml

@@ -25,30 +25,22 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest,windows-latest, macOS-latest]
-        java: [8, 11]
-        jdk: [adopt, zulu]
+        java: [8, 11, 17]
+        jdk: [temurin]
       fail-fast: false
 
     runs-on: ${{ matrix.os }}
 
     steps:
       - name: Checkout
-        uses: actions/[email protected]
-
-      - name: Set up cache for ~./m2/repository
-        uses: actions/[email protected]
-        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 }}-
+        uses: actions/checkout@v2
 
       - name: Set up JDK
         uses: actions/setup-java@v2
         with:
           distribution: ${{ matrix.jdk }}
           java-version: ${{ matrix.java }}
+          cache: 'maven'
 
       - name: Build with Maven
         run: mvn install javadoc:javadoc -e -B -V -Pno-tests-if-not-on-osx