upgrade jest config

Author: anthony-nhs

packages/cdk/jest.config.ts

@@ -1,5 +1,5 @@
 import type {JestConfigWithTsJest} from "ts-jest"
-import defaultConfig from "../../jest.default.config"
+import defaultConfig from "../../jest.default.config.ts"
 
 const jestConfig: JestConfigWithTsJest = {
   ...defaultConfig,