Roll SPIRV-Tools from 8e1380996d6a to 13a65b1aee42 (4 revisions)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools.git/+log/8e1380996d6a..13a65b1aee42

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-angle-autoroll
Please CC [email protected] 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: [email protected]
Change-Id: Iabdd36886b01d21d2bacd53c9f6a349c69a02f55
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2351858
Reviewed-by: angle-autoroll <[email protected]>
Commit-Queue: angle-autoroll <[email protected]>

Author: angle-autoroll

DEPS

@@ -66,7 +66,7 @@ vars = {
   'spirv_headers_revision': '3fdabd0da2932c276b25b9b4a988ba134eba1aa6',
 
   # Current revision of SPIRV-Tools for Vulkan.
-  'spirv_tools_revision': '8e1380996d6ac04403fd9c4ec742dfe769db3d2f',
+  'spirv_tools_revision': '13a65b1aee425a97b9ca73d81212d99fd2bf9227',
 
   # Current revision of Khronos Vulkan-Headers.
   'vulkan_headers_revision': '6eaf979e736613c5642ddb8cf783e35500bd0f53',