3.29.3 — Flutter - Product release notes & changelog tool

flutter/165818 - Unset GIT_DIR to enable flutter tool calls in githooks.
flutter/163421 - Impeller, Android, Fixes Android Emulator crash when navigating to routes with backdrop blurs.
flutter/165166 - Impeller, All platforms, Text that is scaled over 48x renders incorrectly.
flutter/163627 - Fix issue where placeholder types in ARB localizations weren’t used for type inference, causing a possible type mismatch with the placeholder field defined in the template.
flutter/165166 - Update CI configurations and tests to use Xcode 16 and iOS 18 simulator.
flutter/161466 - Hot restart can hang on all platforms if “Pause on Unhandled Exceptions” is enabled by the debugger and a call to compute or Isolate.run has not completed.