pl-api: fix circles methods

Signed-off-by: Nicole Mikołajczyk <git@mkljczk.pl>

packages/pl-api/lib/client.ts

@@ -5283,7 +5283,7 @@ class PlApiClient {
     /**
      * Requires features{@link Features['circles']}.
      */
-    getCircles: async (circleId: string) => {
+    getCircle: async (circleId: string) => {
       const response = await this.request(`/api/v1/circles/${circleId}`);
 
       return v.parse(circleSchema, response.json);

packages/pl-api/lib/entities/index.ts

@@ -27,6 +27,7 @@ export * from './backup';
 export * from './bookmark-folder';
 export * from './chat';
 export * from './chat-message';
+export * from './circle';
 export * from './context';
 export * from './conversation';
 export * from './custom-emoji';