chore(deps): pin platform-mesh/ocm action to b12b142

Author: renovate[bot]

.github/workflows/pipeline-service-component.yml

@@ -121,5 +121,5 @@ jobs:
 
   trigger-aggregator:
     needs: service-component
-    uses: platform-mesh/ocm/.github/workflows/ocm.yaml@main
+    uses: platform-mesh/ocm/.github/workflows/ocm.yaml@b12b14274fb879ef27f4b40f80210e22b99a9357 # main
     secrets: inherit