Run Windows and Java compatibility builds on GitHub Actions

Closes gh-925

Author: wilkinsona

.github/workflows/build.yml

@@ -0,0 +1,51 @@
+name: Build
+on:
+  push:
+    branches:
+      - main
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+jobs:
+  build:
+    name: '${{ matrix.os.name}} | Java ${{ matrix.java.version}}'
+    runs-on: ${{ matrix.os.id }}
+    if: ${{ github.repository == 'spring-projects/spring-restdocs' }}
+    strategy:
+      matrix:
+        os:
+          - id: ubuntu-latest
+            name: Linux
+          - id: windows-latest
+            name: Windows
+        java:
+          - version: 17
+          - version: 21
+        exclude:
+          - os:
+              name: Linux
+            java:
+              version: 17
+    steps:
+      - name: Set Up Java
+        uses: actions/setup-java@99b8673ff64fbf99d8d325f52d9a5bdedb8483e9 # v4.2.1
+        with:
+          distribution: 'liberica'
+          java-version: ${{ matrix.java.version }}
+      - name: Check Out Code
+        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+      - name: Set Up Gradle
+        uses: gradle/actions/setup-gradle@417ae3ccd767c252f5661f1ace9f835f9654f2b5 # v3.1.0
+      - name: Configure Gradle Properties
+        shell: bash
+        run: |
+          mkdir -p $HOME/.gradle
+          echo 'systemProp.user.name=spring-builds+github' >> $HOME/.gradle/gradle.properties
+          echo 'systemProp.org.gradle.internal.launcher.welcomeMessageEnabled=false' >> $HOME/.gradle/gradle.properties
+          echo 'org.gradle.daemon=false' >> $HOME/.gradle/gradle.properties
+      - name: Build
+        env:
+          GRADLE_ENTERPRISE_URL: 'https://ge.spring.io'
+          GRADLE_ENTERPRISE_ACCESS_KEY: ${{ secrets.GRADLE_ENTERPRISE_SECRET_ACCESS_KEY }}
+          GRADLE_ENTERPRISE_CACHE_USERNAME: ${{ secrets.GRADLE_ENTERPRISE_CACHE_USER }}
+          GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ secrets.GRADLE_ENTERPRISE_CACHE_PASSWORD }}
+        run: ./gradlew build