Clerk iOS SDK updated; build pipeline migrated

Patch Changes

• Bump the bundled clerk-ios SDK from 1.2.1 to 1.2.2. See the Clerk iOS release: https://github.com/clerk/clerk-ios/releases/tag/1.2.2. (#8826) by @clerk-cookie

• Migrate the build pipeline to tsdown and TypeScript 6.0. This is an internal tooling change with no intended changes to the public API or runtime behavior. (#8177) by @dstaley

• Updated dependencies [f046c49, b5fa9f6, 3d5b2fe]:

  • @clerk/clerk-js@6.16.1
  • @clerk/shared@4.17.1
  • @clerk/react@6.9.1