Migrate CI to GitHub Actions

Closes gh-1461

.github/workflows/build-pull-request.yml

@@ -0,0 +1,25 @@
+name: Build Pull Request
+on: pull_request
+permissions:
+  contents: read
+jobs:
+  build:
+    name: Build Pull Request
+    if: ${{ github.repository == 'spring-projects/spring-ws' }}
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+    steps:
+      - name: Check Out Code
+        uses: actions/checkout@v4
+      - name: Build
+        id: build
+        uses: ./.github/actions/build
+      - name: Print JVM Thread Dumps When Cancelled
+        if: cancelled()
+        uses: ./.github/actions/print-jvm-thread-dumps
+      - name: Upload Build Reports
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: build-reports
+          path: '**/build/reports/'