Roll Flutter Engine from 60968c892649 to 93f02f7237db (5 revisions) (#136546)

https://github.com/flutter/engine/compare/60968c892649...93f02f7237db

2023-10-13 30870216+gaaclarke@users.noreply.github.com [Impeller] Started throwing errors if dart:ui/Image.toByteData fails (flutter/engine#46738)
2023-10-13 skia-flutter-autoroll@skia.org Roll Skia from e566db061ce8 to 3acf82dcc479 (2 revisions) (flutter/engine#46883)
2023-10-13 kjlubick@users.noreply.github.com Fix forward declare and some deprecated enums (flutter/engine#46882)
2023-10-13 skia-flutter-autoroll@skia.org Roll Skia from c640eeed2695 to e566db061ce8 (1 revision) (flutter/engine#46881)
2023-10-13 kjlubick@users.noreply.github.com Update to use GrDirectContexts::MakeVulkan (flutter/engine#46878)

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 jsimmons@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

-60968c892649301dadb15f4c2ce7329b04bf8827
+93f02f7237dbc534dbcf50cbb06f6fffb312fa47