Roll Tint from 943ded79d2 to 26fa9927e8 (7 revisions)

https://dawn.googlesource.com/tint.git/+log/943ded79d2b1..26fa9927e8c3

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 rharrison@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: rharrison@google.com
Change-Id: Ibad7a842bd1632259f69ddac93ef013fb6aff6f4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/48801
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@943ded79d2b1cdb02d5f2deff613fa5816d0a64f',
+    'url': '{dawn_git}/tint@26fa9927e8c33a996a1b148131ad1f9206a67e75',
   },
 
   # GLFW for tests and samples