roll deps (KhronosGroup#6049)

* Roll external/googletest/ 4902ea2d7..3af834740 (1 commit)

google/googletest@4902ea2...3af8347

Created with:
  roll-dep external/googletest

* Roll external/spirv-headers/ ddd2c099b..d5ee9ed2b (1 commit)

KhronosGroup/SPIRV-Headers@ddd2c09...d5ee9ed

Created with:
  roll-dep external/spirv-headers

---------

Co-authored-by: GitHub Actions[bot] <>

Author: github-actions[bot]

DEPS

@@ -7,14 +7,14 @@ vars = {
 
   'effcee_revision': '874b47102c57a8979c0f154cf8e0eab53c0a0502',
 
-  'googletest_revision': '4902ea2d7c6faed89b6facee00baa34bb108fc0d',
+  'googletest_revision': '3af834740f58ef56058e6f8a1be51f62bc3a6515',
 
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v21.12',
 
   're2_revision': 'c84a140c93352cdabbfb547c531be34515b12228',
 
-  'spirv_headers_revision': 'ddd2c099be25e3fec7cdc14106c17aca99512082',
+  'spirv_headers_revision': 'd5ee9ed2bbe96756a781bffb19c51d62a468049a',
 }
 
 deps = {