Roll Flutter (stable) from 682aa387cfe4 to 796c8ef79279 (5 revisions) (#4213)

https://github.com/flutter/flutter/compare/682aa387cfe4...796c8ef79279

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

To file a bug in Flutter (stable): https://github.com/flutter/flutter/issues/new/choose
To file a bug in Packages: 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
diff --git a/.ci/flutter_stable.version b/.ci/flutter_stable.version
index ec36783..f99b2a7 100644
--- a/.ci/flutter_stable.version
+++ b/.ci/flutter_stable.version
@@ -1 +1 @@
-682aa387cfe4fbd71ccd5418b2c2a075729a1c66
+796c8ef79279f9c774545b3771238c3098dbefab