Merge pull request #26245 from backstage/blam/namespace-be-gone

NFS: Introduce `createFrontendModule` as a replacement for `createExtensionOverrides`

plugins/org/api-report-alpha.md

@@ -3,15 +3,15 @@
 > Do not edit this file. It is a report generated by [API Extractor](https://api-extractor.com/).
 
 ```ts
-import { BackstagePlugin } from '@backstage/frontend-plugin-api';
 import { ConfigurableExtensionDataRef } from '@backstage/frontend-plugin-api';
 import { Entity } from '@backstage/catalog-model';
 import { ExtensionDefinition } from '@backstage/frontend-plugin-api';
 import { ExternalRouteRef } from '@backstage/frontend-plugin-api';
+import { FrontendPlugin } from '@backstage/frontend-plugin-api';
 import { default as React_2 } from 'react';
 
 // @alpha (undocumented)
-const _default: BackstagePlugin<
+const _default: FrontendPlugin<
   {},
   {
     catalogIndex: ExternalRouteRef<undefined>;