roll deps (KhronosGroup#6143)

* Roll external/googletest/ 90a415211..9f79a9597 (2 commits)

google/googletest@90a4152...9f79a95

Created with:
  roll-dep external/googletest --update-readme

* Roll external/abseil_cpp/ 9a89ea871..bf9816208 (10 commits)

abseil/abseil-cpp@9a89ea8...bf98162

Created with:
  roll-dep external/abseil_cpp --update-readme

---------

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

Author: github-actions[bot]

DEPS

@@ -3,11 +3,11 @@ use_relative_paths = True
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': '9a89ea8714c06aee702058c6acc094bff02dfd42',
+  'abseil_revision': 'bf9816208252b60a463ae712603ddbc72d0eb5d7',
 
   'effcee_revision': '8ce15c424e61a94ee27b5be0ec0ed036b158e6e3',
 
-  'googletest_revision': '90a41521142c978131f38c6da07b4eb96a9f1ff6',
+  'googletest_revision': '9f79a9597ad9b5394e5c620ebf76824f77ffbde4',
 
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v21.12',