Merge Maven and Gradle GH actions.

Author: SoftlySplinter

.github/workflows/gradle.yml

@@ -1,21 +1,15 @@
-# This workflow will build a Java project with Maven, and cache/restore any dependencies to improve the workflow execution time
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-java-with-maven
-
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
-name: Java CI with Maven
+name: Java CI
 
 on:
   push:
     branches: ["main"]
   pull_request:
     branches: ["main"]
+  schedule:
+    - cron: '0 0 * * *'
 
 jobs:
-  build:
+  build-maven:
     name: Build Maven
 
     runs-on: ubuntu-latest
@@ -43,7 +37,7 @@ jobs:
           name: cics-java-liberty-sprintboot-jcics (Maven, Java ${{ matrix.jdk }})
           path: staging
 
-  build-wrapper:
+  build-mvnw:
     name: Build Maven Wrapper
 
     runs-on: ubuntu-latest
@@ -65,3 +59,27 @@ jobs:
           cache: maven
       - name: Build with Maven
         run: ./mvnw --batch-mode --update-snapshots --file pom.xml -Djava.version=${{ matrix.jdk }} package
+
+  build-gradle:
+    name: Build Gradle
+    
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      matrix:
+        jdk: [8, 11]
+        experimental: [false]
+        include:
+          - jdk: 17
+            experimental: true
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up JDK ${{ matrix.jdk }}
+      uses: actions/setup-java@v4
+      with:
+        java-version: ${{ matrix.jdk }}
+        distribution: 'semeru'
+    - name: Build with Gradle
+      uses: gradle/gradle-build-action@bd5760595778326ba7f1441bcf7e88b49de61a25 # v2.6.0
+      with:
+        arguments: build -Pjava_version=${{ matrix.jdk }}