Roll Flutter Engine from 9beb7e82e081 to dd4c79a6c864 (1 revision) (#142749)

https://github.com/flutter/engine/compare/9beb7e82e081...dd4c79a6c864

2024-02-01 bdero@google.com [Impeller] Replace stencil pipeline ops with enum. (flutter/engine#50231)

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 matanl@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

-9beb7e82e081d963bdf7d5342c0f6a16f4edc2b6
+dd4c79a6c864b0e6e2e7734f2ea1ea472ffae534