[ios] Add missing dependencies on AppIntents framework

The dependency are auto-linked by the Swift compiler when the code
uses `import AppIntents`. There is an effort to configure the linker
to ignore the auto-link instructions, so list the framework as a
dependency of the target that us it.

Bug: 424634516
Change-Id: I1430dbb2761ec0a2e2e8a562ecd8bb8ec7270ca2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6652328
Auto-Submit: Sylvain Defresne <sdefresne@chromium.org>
Reviewed-by: Olivier Robin <olivierrobin@chromium.org>
Commit-Queue: Olivier Robin <olivierrobin@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1474980}