Roll Skia from d06840545bff to 2c43bf002b7f (1 revision) (flutter#47928)

https://skia.googlesource.com/skia.git/+log/d06840545bff..2c43bf002b7f

2023-11-10 jvanverth@google.com Add null checks to GrTriangulator rewind_if_necessary.

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 bdero@google.com,brianosman@google.com,fmalita@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': 'd06840545bff13146e1e1bd2265965db4166bde9',
+  'skia_revision': '2c43bf002b7f90cbb582776a4dc8f112bc9dedb0',
 
   # 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: 644f714c755c1fb07038f885a62d1232
+Signature: d9dfff200be0d64ae2713e6f47adcc41
 
 ====================================================================================================
 LIBRARY: etc1