Roll Tint from 40b4928a73b7 to 766e31d50710 (4 revisions)

https://dawn.googlesource.com/tint.git/+log/40b4928a73b7..766e31d50710

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 enga@google.com on the revert to ensure that a human
is aware of the problem.

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/master/autoroll/README.md

Bug: None
Tbr: enga@google.com
Change-Id: I6af2c446cdfeef02b1c66193c2adef1ee17b62b6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/36920
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 2509a6c..17c6a8f 100644
--- a/DEPS
+++ b/DEPS
@@ -64,7 +64,7 @@
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@40b4928a73b7b3eead6f62e02e69477324454888',
+    'url': '{dawn_git}/tint@766e31d507109a703f08510900f90c805a655d96',
     'condition': 'dawn_standalone',
   },