Roll Tint from 06c86a551e to 91181b906f (1 revision)

https://dawn.googlesource.com/tint.git/+log/06c86a551ed6..91181b906f3b

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

To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

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

Bug: None
Tbr: jrprice@google.com
Change-Id: I9ff3c8abc5491298522c885085665f6c597ad1be
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/62160
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -96,7 +96,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@06c86a551ed62b281596c9fe64b0745a54f5f69e',
+    'url': '{dawn_git}/tint@91181b906f3bd15f365e3b7de3a988aa7d0566c2',
   },
 
   # GLFW for tests and samples