Roll Tint from 5965c6ed1f to 821f9bb525 (1 revision)

https://dawn.googlesource.com/tint.git/+log/5965c6ed1fd5..821f9bb525a3

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 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: enga@google.com
Change-Id: I41151398de499ba4ef5db215a192427793316fee
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/74040
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -101,7 +101,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@5965c6ed1fd5afc93c2c3ad18e6a9bfb21211866',
+    'url': '{dawn_git}/tint@821f9bb525a34f9976627727b04ff9325bc982e6',
   },
 
   # GLFW for tests and samples