Add waits for post-release steps for improved visibility (#4045)

.github/workflows/release-make.yml

@@ -276,15 +276,16 @@ jobs:
         secrets:
             NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
 
-    update-labels:
-        name: Advance release blocker labels
+    post-release:
+        name: Post release steps
         needs: release
         runs-on: ubuntu-latest
         steps:
             - id: repository
               run: echo "REPO=${GITHUB_REPOSITORY#*/}" >> $GITHUB_OUTPUT
 
-            - uses: garganshu/github-label-updater@3770d15ebfed2fe2cb06a241047bc340f774a7d1 # v1.0.0
+            - name: Advance release blocker labels
+              uses: garganshu/github-label-updater@3770d15ebfed2fe2cb06a241047bc340f774a7d1 # v1.0.0
               with:
                   owner: ${{ github.repository_owner }}
                   repo: ${{ steps.repository.outputs.REPO }}
@@ -293,6 +294,16 @@ jobs:
                   remove-labels: X-Upcoming-Release-Blocker
                   add-labels: X-Release-Blocker
 
+            - name: Wait for master->develop gitflow merge
+              if: inputs.final
+              uses: t3chguy/wait-on-check-action@18541021811b56544d90e0f073401c2b99e249d6 # fork
+              with:
+                  ref: master
+                  repo-token: ${{ secrets.GITHUB_TOKEN }}
+                  wait-interval: 10
+                  check-name: merge
+                  allowed-conclusions: success
+
     bump-downstreams:
         name: Update npm dependency in downstream projects
         needs: npm