Don't fail after-ci deploy-docs-preview if PR docs job failed (#3302)

Author: DouweM

.github/workflows/after-ci.yml

@@ -45,6 +45,10 @@ jobs:
       name: deploy-docs-preview
 
     steps:
+      - run: echo "$GITHUB_EVENT_JSON"
+        env:
+          GITHUB_EVENT_JSON: ${{ toJSON(github.event) }}
+
       - uses: actions/checkout@v4
 
       - uses: actions/setup-node@v4
@@ -57,7 +61,8 @@ jobs:
           enable-cache: true
           cache-suffix: deploy-docs-preview
 
-      - uses: dawidd6/action-download-artifact@v6
+      - id: download-artifact
+        uses: dawidd6/action-download-artifact@v6
         with:
           workflow: ci.yml
           name: site
@@ -69,6 +74,7 @@ jobs:
 
       - uses: cloudflare/wrangler-action@v3
         id: deploy
+        if: steps.download-artifact.outputs.found_artifact == 'true'
         with:
           apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
           environment: previews
@@ -78,12 +84,9 @@ jobs:
             --var GIT_COMMIT_SHA:${{ github.event.workflow_run.head_sha }}
             --var GIT_BRANCH:${{ github.event.workflow_run.head_branch }}
 
-      - run: echo "$GITHUB_EVENT_JSON"
-        env:
-          GITHUB_EVENT_JSON: ${{ toJSON(github.event) }}
-
       - name: Set preview URL
         run: uv run --no-project --with httpx .github/set_docs_pr_preview_url.py
+        if: steps.deploy.outcome == 'success'
         env:
           DEPLOY_OUTPUT: ${{ steps.deploy.outputs.command-output }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}