Add ci GHA workflow

* Fix `ci-snapshot.yml` to use `spring-artifactory-gradle-build` action directly
from the reusable workflows repository

**Auto-cherry-pick to `3.2.x`**

Author: artembilan

.github/workflows/ci-snapshot.yml

@@ -33,16 +33,9 @@ jobs:
         with:
           show-progress: false
 
-      - name: Checkout Common Repo
-        uses: actions/checkout@v6
-        with:
-          repository: spring-io/spring-github-workflows
-          path: .github/spring-github-workflows
-          show-progress: false
-
       - name: Build and Publish
         timeout-minutes: 30
-        uses: ./.github/spring-github-workflows/.github/actions/spring-artifactory-gradle-build
+        uses: spring-io/spring-github-workflows/.github/actions/spring-artifactory-gradle-build@main
         with:
           gradleTasks: ${{ github.event_name == 'schedule' && '--rerun-tasks' || '' }}
           artifactoryUsername: ${{ secrets.ARTIFACTORY_USERNAME }}

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on:
+  workflow_dispatch:
+
+  push:
+    branches:
+      - main
+      - '*.x'
+
+concurrency:
+  group: group-ci-for-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  ci:
+    strategy:
+      fail-fast: false
+      matrix:
+        testJavaVersion: [ 17, 21, 25, 26 ]
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+
+    uses: spring-io/spring-github-workflows/.github/workflows/spring-gradle-ci.yml@main
+    with:
+      testJavaVersion: ${{ matrix.testJavaVersion }}
+      runner: ${{ matrix.os }}
+    secrets:
+      DEVELOCITY_ACCESS_KEY: ${{ secrets.DEVELOCITY_ACCESS_KEY }}