Roll Skia from 643d74cf4e0b to 4783e1146146 (2 revisions) (#46890)

https://skia.googlesource.com/skia.git/+log/643d74cf4e0b..4783e1146146

2023-10-13 johnstiles@google.com Improve Tegra3 and Mali400 quad-edge AA output.
2023-10-13 kjlubick@google.com [bazel] Update version of rules_pkg

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

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
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

Author: skia-flutter-autoroll

DEPS

@@ -18,7 +18,7 @@ vars = {
   'llvm_git': 'https://llvm.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '643d74cf4e0b234ab1c3252d621f55563dd5d9c0',
+  'skia_revision': '4783e1146146a6ef0c1044607a0dc38059b2ac6a',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: 74b2b76ad3e895df5da8b4a9100e2737
+Signature: 7580ce2aa024fde77417b41f91b7bb09
 
 ====================================================================================================
 LIBRARY: etc1