Roll Tint from a388d56d99 to 28ae1471bf (1 revision)

https://dawn.googlesource.com/tint.git/+log/a388d56d9968..28ae1471bf2c

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 kainino@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: kainino@google.com
Change-Id: Ib76a95be813c70e7b9c3d0e9c6d0eef69d30a31c
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/29700
Reviewed-by: <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -90,7 +90,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@a388d56d996833842c3ab597979a1d744f1a29ed',
+    'url': '{dawn_git}/tint@28ae1471bf2cfbd4e4ec3a0addcc0953d159a008',
     'condition': 'dawn_standalone',
   },