fix(ci): Use actual docker-image-tag in /publish-connectors-prerelease completion comment (#70817)

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: aldo.gonzalez@airbyte.io <aldo.gonzalez@airbyte.io>

.github/workflows/publish-connectors-prerelease-command.yml

@@ -176,13 +176,12 @@ jobs:
         id: message-vars
         run: |
           CONNECTOR_NAME="${{ needs.init.outputs.connector-name }}"
-          SHORT_SHA="${{ needs.init.outputs.short-sha }}"
-          VERSION="${{ needs.init.outputs.connector-version }}"
+          # Use the actual docker-image-tag from the publish workflow output
+          DOCKER_TAG="${{ needs.publish.outputs.docker-image-tag }}"
 
-          if [[ -n "$VERSION" ]]; then
-            DOCKER_TAG="${VERSION}-dev.${SHORT_SHA}"
-          else
-            DOCKER_TAG="{version}-dev.${SHORT_SHA}"
+          if [[ -z "$DOCKER_TAG" ]]; then
+            echo "::error::docker-image-tag output is missing from publish workflow. This is unexpected."
+            exit 1
           fi
 
           echo "connector_name=$CONNECTOR_NAME" >> $GITHUB_OUTPUT

.github/workflows/publish_connectors.yml

@@ -21,6 +21,10 @@ on:
         required: false
         default: false
         type: boolean
+    outputs:
+      docker-image-tag:
+        description: "Docker image tag used when publishing. For single-connector callers only; multi-connector callers should not rely on this output."
+        value: ${{ jobs.publish_connector_registry_entries.outputs.docker-image-tag }}
   workflow_dispatch:
     inputs:
       connectors:
@@ -250,6 +254,8 @@ jobs:
       max-parallel: 5
       # Allow all jobs to run, even if one fails
       fail-fast: false
+    outputs:
+      docker-image-tag: ${{ steps.connector-metadata.outputs.docker-image-tag }}
     steps:
       - name: Checkout Airbyte
         # v4