Roll Skia from ded5d08a9999 to 83f6fbad8a38 (1 revision) (flutter/engine#45183)

https://skia.googlesource.com/skia.git/+log/ded5d08a9999..83f6fbad8a38

2023-08-28 bungeman@google.com Specify COLRv1 gradient interpolation

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,jimgraham@google.com,jlavrova@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://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

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': 'ded5d08a999961b75f0b098e41f096aaa835be78',
+  'skia_revision': '83f6fbad8a38fe808074f1e6ea064a678bb08742',
 
   # WARNING: DO NOT EDIT canvaskit_cipd_instance MANUALLY
   # See `lib/web_ui/README.md` for how to roll CanvasKit to a new version.

engine/src/flutter/ci/licenses_golden/licenses_skia

@@ -1,4 +1,4 @@
-Signature: c2d13a2d8bb9ce8910ea43a752b1dc52
+Signature: c00440cb4b8405ebdcc36aa76f484ac6
 
 ====================================================================================================
 LIBRARY: etc1