roll deps (KhronosGroup#5566)

* Roll external/googletest/ 64be1c79f..b75ecf1be (2 commits)

google/googletest@64be1c7...b75ecf1

$ git log 64be1c79f..b75ecf1be --date=short --no-merges --format='%ad %ae %s'
2024-02-07 kfm Switch rank structs to be consistent with written guidance in go/ranked-overloads
2024-02-07 absl-team Use _Exit instead of _exit in GoogleTest

Created with:
  roll-dep external/googletest

* Roll external/spirv-headers/ 1c9115b56..e77d03080 (1 commit)

KhronosGroup/SPIRV-Headers@1c9115b...e77d030

$ git log 1c9115b56..e77d03080 --date=short --no-merges --format='%ad %ae %s'
2024-02-07 gleese Update FPFastMath token reservation (KhronosGroup#414)

Created with:
  roll-dep external/spirv-headers

---------

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

Author: github-actions[bot]

DEPS

@@ -7,13 +7,13 @@ vars = {
 
   'effcee_revision': '19b4aa87af25cb4ee779a071409732f34bfc305c',
 
-  'googletest_revision': '64be1c79fa2cea015d816687120878a110775351',
+  'googletest_revision': 'b75ecf1bed2fcd416b66c86cb6fe79122abf132e',
 
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v21.12',
 
   're2_revision': 'ab7c5918b418428ed17dbe564e0d8402bd7d743d',
-  'spirv_headers_revision': '1c9115b562bab79ee2160fbd845f41b815b9f21f',
+  'spirv_headers_revision': 'e77d03080b90c5d361663a67834c57bb1fddaec2',
 }
 
 deps = {