Roll Flutter Engine from 748ef964b993 to ef5c349f04d8 (1 revision) (#126624)

https://github.com/flutter/engine/compare/748ef964b993...ef5c349f04d8

2023-05-11 leroux_bruno@yahoo.fr [Linux - TextInput] Do not add new line for send action (flutter/engine#41895)

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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

bin/internal/engine.version

-748ef964b99329097331b33692a51e230dc52448
+ef5c349f04d84c5171c6b97bbed85c430d576834