Update Docsmobile action to fix issues (#3935)

.github/workflows/co-docs-builder.yml

@@ -20,7 +20,7 @@ on:
 
 jobs:
   publish:
-    if: contains(github.event.pull_request.labels.*.name, 'ci:doc-build')
+    if: github.event.label.name == 'ci:doc-build' || github.event.pull_request.author_association == 'MEMBER'
     uses: elastic/workflows/.github/workflows/docs-elastic-co-publish.yml@main
     with:
       subdirectory: 'docs/en/serverless/'