feat(integration): add github app authentication (#3968)

packages/common/src/errors/http/handlers/index.ts

@@ -3,3 +3,4 @@ export * from "./fetch-http-error-handler";
 export * from "./ofetch-http-error-handler";
 export * from "./axios-http-error-handler";
 export * from "./tsdav-http-error-handler";
+export * from "./octokit-http-error-handler";

packages/common/src/errors/http/handlers/octokit-http-error-handler.ts

@@ -0,0 +1,24 @@
+import { RequestError as OctokitRequestError } from "octokit";
+
+import type { AnyRequestError } from "../request-error";
+import { ResponseError } from "../response-error";
+import { HttpErrorHandler } from "./http-error-handler";
+
+export class OctokitHttpErrorHandler extends HttpErrorHandler {
+  /**
+   * I wasn't able to get a request error triggered. Therefore we ignore them for now
+   * and just forward them as unknown errors
+   */
+  handleRequestError(_: unknown): AnyRequestError | undefined {
+    return undefined;
+  }
+
+  handleResponseError(error: unknown): ResponseError | undefined {
+    if (!(error instanceof OctokitRequestError)) return undefined;
+
+    return new ResponseError({
+      status: error.status,
+      url: error.response?.url,
+    });
+  }
+}