Roll external/abseil_cpp/ 03b8d6ea3..40cab2445 (4 commits)

abseil/abseil-cpp@03b8d6e...40cab24

Created with:
  roll-dep external/abseil_cpp

Author: GitHub Actions[bot]

DEPS

@@ -3,7 +3,7 @@ use_relative_paths = True
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': '03b8d6ea3dc6a0b8c6bcf42503c2053754dab2e4',
+  'abseil_revision': '40cab244558f225cadcb943f84c5209f7ce876b1',
 
   'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',