Roll external/abseil_cpp/ c8d5854f0..12f4be680 (7 commits) (KhronosGroup#6086)

* Roll external/googletest/ 52204f78f..e90fe2485 (2 commits)

google/googletest@52204f7...e90fe24

Created with:
  roll-dep external/googletest

* Roll external/abseil_cpp/ c8d5854f0..8b81b77c5 (14 commits)

abseil/abseil-cpp@c8d5854...8b81b77

Created with:
  roll-dep external/abseil_cpp

* Roll external/spirv-headers/ 8e82b7cfe..7c2f5333e (2 commits)

KhronosGroup/SPIRV-Headers@8e82b7c...7c2f533

Created with:
  roll-dep external/spirv-headers

---------

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

Author: github-actions[bot]

DEPS

@@ -3,18 +3,18 @@ use_relative_paths = True
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': 'c8d5854f0ba521701455281b17f5f24cf584f916',
+  'abseil_revision': '8b81b77c5e4251de400909e15279653f49b0a6ec',
 
   'effcee_revision': '874b47102c57a8979c0f154cf8e0eab53c0a0502',
 
-  'googletest_revision': '52204f78f94d7512df1f0f3bea1d47437a2c3a58',
+  'googletest_revision': 'e90fe2485641bab0d6af4500192dc503384950d1',
 
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v21.12',
 
   're2_revision': 'c84a140c93352cdabbfb547c531be34515b12228',
 
-  'spirv_headers_revision': '8e82b7cfeca98baae9a01a53511483da7194f854',
+  'spirv_headers_revision': '7c2f5333e9c662620581361dffc327a99800bb52',
 }
 
 deps = {