Change the GH WF build to use zulu 11 and 17

Author: rbygrave

.github/workflows/build.yml

@@ -1,7 +1,6 @@
-
 name: Build
 
-on: [push, pull_request]
+on: [push, pull_request, workflow_dispatch]
 
 jobs:
   build:
@@ -13,23 +12,25 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        java_version: [17]
+        java_version: [11,17]
         os: [ubuntu-latest]
 
     steps:
-    - uses: actions/checkout@v2
-    - name: Set up Java
-      uses: oracle-actions/setup-java@v1
-      with:
-        release: ${{ matrix.java_version }}
-    - name: Maven cache
-      uses: actions/cache@v2
-      env:
-        cache-name: maven-cache
-      with:
-        path:
-          ~/.m2
-        key: build-${{ env.cache-name }}
-    - name: Build with Maven
-      run: mvn package
-
+      - uses: actions/checkout@v2
+      - name: Set up Java
+        uses: actions/setup-java@v2
+        with:
+          java-version: ${{ matrix.java_version }}
+          distribution: 'zulu'
+      - name: Maven cache
+        uses: actions/cache@v2
+        env:
+          cache-name: maven-cache
+        with:
+          path:
+            ~/.m2
+          key: build-${{ env.cache-name }}
+      - name: Maven version
+        run: mvn --version
+      - name: Build with Maven
+        run: mvn clean test