Add concurrency to deploy job

Author: reakaleek

.github/workflows/preview-deploy.yml

@@ -14,9 +14,13 @@ permissions:
   actions: read
 
 jobs:
-  deploy:
+  pull-request-data:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     runs-on: ubuntu-latest
+    outputs: 
+      number: ${{ steps.pull_request.outputs.number }}
+      ref: ${{ steps.pull_request.outputs.ref }}
+      any_changed: ${{ steps.pull_request.outputs.any_changed }}
     steps:
       - name: Download PR data
         env:
@@ -33,14 +37,21 @@ jobs:
             echo "ref=$(jq -r '.ref' pull_request.json)"
             echo "any_changed=$(jq -r '.any_changed' pull_request.json)"
           } >> "${GITHUB_OUTPUT}"
-
+    
+  deploy:
+    needs: pull-request-data
+    runs-on: ubuntu-latest
+    concurrency: 
+      group: ${{ github.workflow }}-${{ needs.pull-request-data.outputs.number }}
+      cancel-in-progress: true
+    steps:
       - name: Create Deployment
-        if: steps.pull_request.outputs.any_changed == 'true'
+        if: needs.pull-request-data.outputs.any_changed == 'true'
         uses: actions/github-script@v7
         id: deployment
         env:
-          PR_NUMBER: ${{ steps.pull_request.outputs.number }}
-          PR_REF: ${{ steps.pull_request.outputs.ref }}
+          PR_NUMBER: ${{ needs.pull-request-data.outputs.number }}
+          PR_REF: ${{ needs.pull-request-data.outputs.ref }}
         with:
           result-encoding: string
           script: |
@@ -63,7 +74,7 @@ jobs:
             return deployment.data.id
             
       - name: Download docs
-        if: steps.pull_request.outputs.any_changed == 'true'
+        if:  needs.pull-request-data.outputs.any_changed == 'true'
         env:
           GH_TOKEN: ${{ github.token }}
         run: |
@@ -73,12 +84,12 @@ jobs:
             --dir html
 
       - uses: elastic/docs-builder/.github/actions/aws-auth@main
-        if: steps.pull_request.outputs.any_changed == 'true'
+        if: needs.pull-request-data.outputs.any_changed == 'true'
 
       - name: Upload to S3
-        if: steps.pull_request.outputs.any_changed == 'true'
+        if: needs.pull-request-data.outputs.any_changed == 'true'
         env:
-          PR_NUMBER: ${{ steps.pull_request.outputs.number }}
+          PR_NUMBER: ${{ needs.pull-request-data.outputs.number }}
         run: |
           aws s3 sync ./html "s3://elastic-docs-v3-website-preview/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}" --delete
           aws cloudfront create-invalidation --distribution-id EKT7LT5PM8RKS --paths "/${GITHUB_REPOSITORY}/pull/${PR_NUMBER}/*"
@@ -93,6 +104,6 @@ jobs:
               repo: context.repo.repo,
               deployment_id: ${{ steps.deployment.outputs.result }},
               state: "${{ job.status == 'success' && 'success' || 'failure' }}",
-              environment_url: `https://docs-v3-preview.elastic.dev/${context.repo.owner}/${context.repo.repo}/pull/${{ steps.pull_request.outputs.number}}`,
+              environment_url: `https://docs-v3-preview.elastic.dev/${context.repo.owner}/${context.repo.repo}/pull/${{  needs.pull-request-data.outputs.number}}`,
               log_url: `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`,
             })