Organization discussions and polls (#26517)

Co-authored-by: Steve Guntrip <stevecat@github.com>

script/content-migrations/update-tocs.js

@@ -73,7 +73,7 @@ indexFiles.forEach((indexFile) => {
   if (relativePath === 'discussions/guides/index.md') {
     data.children = [
       '/best-practices-for-community-conversations-on-github',
-      '/finding-discussions-across-multiple-repositories',
+      '/finding-your-discussions',
       '/granting-higher-permissions-to-top-contributors',
     ]
   }