chore: fix import in jest setup for websocket-server

Signed-off-by: Kevin Viglucci <[email protected]>

Author: viglucci

packages/rsocket-websocket-server/jest.config.ts

@@ -1,5 +1,5 @@
 import type { Config } from "@jest/types";
-import { pathsToModuleNameMapper } from "ts-jest/utils";
+import { pathsToModuleNameMapper } from "ts-jest";
 import { compilerOptions } from "../../tsconfig.json";
 
 const config: Config.InitialOptions = {