chore: Update grafana/shared-workflows digest to bee55b8

Author: grafanarenovatebot[bot]

.github/workflows/build_and_publish.yaml

@@ -347,7 +347,7 @@ jobs:
       - name: Trigger argo workflow
         # trigger-argo-workflow hasn't been released yet, so we're using a
         # commit hash to reference it that has no associated version.
-        uses: grafana/shared-workflows/actions/trigger-argo-workflow@8bb65cb7cc5b627ec350a229de34aee58872650a
+        uses: grafana/shared-workflows/actions/trigger-argo-workflow@bee55b8430bed36df5ba2c85ab8f573bc38e4a86
         with:
           namespace: synthetic-monitoring-cd
           workflow_template: deploy-${{ needs.preflight.outputs.repo_name }}