CI: Change out conclusion getter

Issue: RELENG-5356
Signed-off-by: Andrew Grimberg <[email protected]>
Change-Id: I7bc0b36543ff89ac98fae83b6770184413feb674

Author: tykeal

.github/workflows/gerrit-verify.yaml

@@ -216,7 +216,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Get workflow conclusion
-        uses: technote-space/workflow-conclusion-action@v3
+        # yamllint disable-line rule:line-length
+        uses: im-open/workflow-conclusion@e4f7c4980600fbe0818173e30931d3550801b992  # v2.2.3
       - name: Set vote
         uses: lfit/[email protected]
         with: