Roll Tint from 3b671cb377 to 66d6668372 (4 revisions)

https://dawn.googlesource.com/tint.git/+log/3b671cb377e9..66d6668372d9

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

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Bug: None
Tbr: alanbaker@google.com
Change-Id: Icaf19d36a56ab5964b407c13dd81ad34226c4c8c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/85103
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -118,7 +118,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@3b671cb377e91142459358c5c6cb7ad6b6f3c742',
+    'url': '{dawn_git}/tint@66d6668372d9fde5e09e25ba48632b15ed3d8cd2',
   },
 
   # GLFW for tests and samples