Roll Flutter Engine from a76821199d9d to 03de8a41995b (2 revisions) (#137464)

https://github.com/flutter/engine/compare/a76821199d9d...03de8a41995b

2023-10-28 flar@google.com [Impeller] Rect getters (flutter/engine#47411)
2023-10-28 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from fw9lcUvz8S07_zaAj... to 9YSl2rN0sj5YpYNdQ... (flutter/engine#47409)

Also rolling transitive DEPS:
  fuchsia/sdk/core/mac-amd64 from fw9lcUvz8S07 to 9YSl2rN0sj5Y

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter: https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-a76821199d9d5cb9887b7264fdd68bf5371adb08
+03de8a41995b6ab42ffd284217d8fc71d8037f9f

bin/internal/fuchsia-mac.version

-fw9lcUvz8S07_zaAjhfXgbgMg7n5irNBx7LPuUd8hiwC
+9YSl2rN0sj5YpYNdQuuteWY0g-DotbxW3JDdzD9oH1AC