Roll Tint from 08146e2300 to 7ff308fd18 (2 revisions)

https://dawn.googlesource.com/tint.git/+log/08146e2300ae..7ff308fd1800

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 bclayton@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: bclayton@google.com
Change-Id: I8678d88b464fe439e370aa1096bcd021ce43a2f0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/66080
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

DEPS

@@ -97,7 +97,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@08146e2300ae803e59f25b8809da2fcb4e1bf384',
+    'url': '{dawn_git}/tint@7ff308fd18007665d75c7847242cf6e68db5be99',
   },
 
   # GLFW for tests and samples