Update update-plain.yml

Author: sahilsuman933

.github/workflows/update-plain.yml

@@ -18,6 +18,6 @@ jobs:
         run: npm install -g @team-plain/cli@latest
 
       - name: Index Documents
-        run: plain index-sitemap https://docs.vapi.ai/sitemap.xml --labelTypeIds lt_01G0EZ1XTM37C643SQTDNXR1
+        run: plain index-sitemap https://docs.vapi.ai/sitemap.xml
         env:
           PLAIN_API_KEY: ${{ secrets.PLAIN_API_KEY }}