GRIF-716: Improve LCM brick post merge roll out

.github/workflows/lcm-pipeline.yaml

@@ -62,8 +62,7 @@ jobs:
         run: |
           version=$(cat VERSION | tr -d '\n')
           echo "service_version=$version" >> $GITHUB_OUTPUT
-          major=$(echo "$version" | cut -d. -f1)
-          echo "service_major_version=M$major" >> $GITHUB_OUTPUT
+          echo "service_major_version=M$version" >> $GITHUB_OUTPUT
 
   dockerfiles-validation:
     needs: [ prepare-build ]
@@ -288,31 +287,35 @@ jobs:
       image_tag: ${{ needs.prepare-build.outputs.service_major_version }}
     secrets: inherit
 
-  register-bricks-prod:
+  notify-image-available:
     runs-on:
       group: infra1-runners-arc
       labels: runners-small
-    needs: [ prepare-build, promote-to-stable ]
+    needs: [ prepare-build, register-bricks-prod ]
+    permissions:
+      pull-requests: write
     if: |
       !cancelled() &&
       !contains(needs.*.result, 'failure') &&
       needs.prepare-build.outputs.images != '[]' &&
       needs.prepare-build.outputs.images != '' &&
       inputs.deploy
-    strategy:
-      matrix:
-        cluster: [ na1, ca2, perf1, bom1, syd1, na3, eu1, fra1 ]
     steps:
-      - name: Checkout repository
-        uses: actions/checkout@v5
-      - name: Register bricks to ${{ matrix.cluster }}
-        uses: ./.github/actions/rundeck
-        with:
-          server: '${{ secrets.RUNDECK_URL }}'
-          project: ${{ matrix.cluster }}-ansible
-          job-group: ansible/msf/hotfix
-          job-name: ${{ matrix.cluster }}_lcm_pipeline_component_tool
-          vault-url: ${{ secrets.VAULT_ADDRESS }}
+      - name: Comment on PR
+        run: |
+          gh pr comment ${{ inputs.pr_number }} \
+            --repo ${{ github.repository }} \
+            --body "## LCM bricks image available
+
+          New image \`stable/lcm-bricks\` available and tagged for all prod clusters.
+          Please, manually run the respective rundeck job for each: ${{ secrets.RUNDECK_URL }}
+
+          | | |
+          |---|---|
+          | **Version** | \`${{ needs.prepare-build.outputs.service_version }}\` |
+          | **Build tag** | \`${{ needs.prepare-build.outputs.image_tag }}\` |
+        env:
+          GH_TOKEN: ${{ secrets.TOKEN_GITHUB_YENKINS }}
 
   create-auto-merge-prod-pr:
     needs: [ prepare-build, build-helmreleases, register-bricks-prod ]