Roll SPIRV-Tools from b12fc2904a46 to bfc94f63a7ad (1 revision)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/b12fc2904a46..bfc94f63a7ad

2023-08-19 41898282+github-actions[bot]@users.noreply.github.com roll deps (#5382)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/spirv-tools-vulkan-deps-autoroll
Please CC angle-team@google.com,radial-bots+chrome-roll@google.com,radial-bots@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/main/autoroll/README.md

Tbr: radial-bots+chrome-roll@google.com
Change-Id: Ice418cd7194103f9698458eea5b69cb966d6f405
Reviewed-on: https://chromium-review.googlesource.com/c/vulkan-deps/+/4795638
Bot-Commit: chromium-autoroll <chromium-autoroll@skia-public.iam.gserviceaccount.com>

• DEPS[diff]
• spirv-tools/src[diff]