chore: update nx to v20

Author: tsang-bot[bot]

jest.config.ts

@@ -1,5 +1,5 @@
-import { getJestProjects } from '@nx/jest'
+import { getJestProjectsAsync } from '@nx/jest'
 
-export default {
-  projects: getJestProjects(),
-}
+export default async () => ({
+  projects: await getJestProjectsAsync(),
+});