Roll Tint from 7e6989bc26d8 to 6c0df4421124 (2 revisions)

https://dawn.googlesource.com/tint.git/+log/7e6989bc26d8..6c0df4421124

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 bajones@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: bajones@google.com
Change-Id: I34b90906790b80164eb365c7a308c40a289e769b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/78040
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
diff --git a/DEPS b/DEPS
index 7e61fe1..604ecde 100644
--- a/DEPS
+++ b/DEPS
@@ -113,7 +113,7 @@
 
   # WGSL support
   'third_party/tint': {
-    'url': '{dawn_git}/tint@7e6989bc26d87c4f946b359c84fc5b099009cac0',
+    'url': '{dawn_git}/tint@6c0df4421124f43f1660a18ac7e68b87204fe79e',
   },
 
   # GLFW for tests and samples