Roll SwiftShader from f62b1b1900cc to 7cb2fb0d3918 (5 revisions)

https://swiftshader.googlesource.com/SwiftShader.git/+log/f62b1b1900cc..7cb2fb0d3918

2022-11-25 sugoi@google.com Add 5/6-bit unorm support to the floating point version of writeColor
2022-11-25 sugoi@google.com Add 4-bit unorm support to the floating point version of writeColor
2022-11-25 sugoi@google.com Add 10-bit unorm support to the floating point version of writeColor
2022-11-25 sugoi@google.com Add sRGB support to the floating point version of writeColor
2022-11-25 sugoi@google.com Add 8-bit unorm support to the floating point version of writeColor

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/swiftshader-dawn-autoroll
Please CC shrekshao@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in SwiftShader: https://bugs.chromium.org/p/swiftshader/issues/entry
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: shrekshao@google.com
Change-Id: Ia8bedd4ac75fac5f6a63f5ae8e5506814c054177
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/111940
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Kokoro: Kokoro <noreply+kokoro@google.com>

DEPS

@@ -137,7 +137,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@f62b1b1900cc9d652d9a6d245ce9d96150746006',
+    'url': '{swiftshader_git}/SwiftShader@7cb2fb0d3918a9bb93cfec847a9f676e96aecab5',
     'condition': 'dawn_standalone',
   },