frontend-plugin-api: fix AnyExtensionDataMap type

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

packages/frontend-plugin-api/api-report.md

@@ -19,7 +19,12 @@ import { ZodTypeDef } from 'zod';
 
 // @public (undocumented)
 export type AnyExtensionDataMap = {
-  [name in string]: ExtensionDataRef<any, any>;
+  [name in string]: ExtensionDataRef<
+    unknown,
+    {
+      optional?: true;
+    }
+  >;
 };
 
 // @public (undocumented)

packages/frontend-plugin-api/src/wiring/createExtension.ts

@@ -21,7 +21,7 @@ import { BackstagePlugin } from './createPlugin';
 
 /** @public */
 export type AnyExtensionDataMap = {
-  [name in string]: ExtensionDataRef<any, any>;
+  [name in string]: ExtensionDataRef<unknown, { optional?: true }>;
 };
 
 /** @public */