[iOS] Extend app-store-rating flag expiration date to M116

Fixed: 1440231
Change-Id: I0b09cb3674fb3897b8f5e2baa12a4f22eb8cfa5a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4552759


Commit-Queue: Hira Mahmood <hiramahmood@google.com>
Reviewed-by: Scott Yoder <scottyoder@google.com>
Cr-Commit-Position: refs/heads/main@{#1147421}