Add update-antora-ui-spring.yml workflow

.github/workflows/update-antora-ui-spring.yml

@@ -0,0 +1,47 @@
+name: Update Antora UI Spring
+
+on:
+  workflow_call:
+    inputs:
+      docs-branch:
+        description: Branch used by Antora, defaults to docs-build
+        required: false
+        default: 'docs-build'
+        type: string
+    secrets:
+      token:
+        description: GitHub Token to Use to Open the PR
+        required: false
+
+jobs:
+  update-antora-ui-spring:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          ref: ${{ inputs.docs-branch }}
+      - name: Get Current UI Bundle URL
+        uses: mikefarah/[email protected]
+        id: current
+        with:
+          cmd: yq '.ui.bundle.url' antora-playbook.yml
+      - name: Get Latest UI Bundle URL
+        id: latest
+        run: |
+          echo latest_ui_bundle_url=$(gh api /repos/spring-io/antora-ui-spring/releases/latest | jq -r '.assets[] | select(.name == "ui-bundle.zip") | .browser_download_url') >> $GITHUB_OUTPUT
+          echo tag_name=$(gh api /repos/spring-io/antora-ui-spring/releases/latest | jq -r '.tag_name') >> $GITHUB_OUTPUT
+        shell: bash
+      - name: Replace Version
+        uses: mikefarah/[email protected]
+        id: replace
+        if: ${{ steps.current.outputs.result != steps.latest.outputs.latest_ui_bundle_url }}
+        with:
+          cmd: yq -i '.ui.bundle.url = "${{ steps.latest.outputs.latest_ui_bundle_url }}"' antora-playbook.yml
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v6
+        with:
+          token: ${{ inputs.token }}
+          title: Update Antora UI Spring to ${{ steps.latest.outputs.tag_name }}
+          commit-message: Update Antora UI Spring to ${{ steps.latest.outputs.tag_name }}
+          delete-branch: true
+          base: ${{ inputs.docs-branch }}