Roll Tint from b487c71e59 to 5ed3f68eb5 (6 revisions)

https://dawn.googlesource.com/tint.git/+log/b487c71e59d8..5ed3f68eb528

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: I361c5820f43b0e4953672e1e26c2b5219ce5ac1a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/52901
Reviewed-by: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS

@@ -96,7 +96,7 @@ deps = {
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@b487c71e59d80835fd27973b0a3a2951e19e04c3',
+    'url': '{dawn_git}/tint@5ed3f68eb528f71bb6895c10eebd62ddf5d97c9b',
   },
 
   # GLFW for tests and samples