Roll external/abseil_cpp/ 0df567400..c0b9bd08e (3 commits) (#5812)

abseil/abseil-cpp@0df5674...c0b9bd0

Created with:
  roll-dep external/abseil_cpp

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

Author: github-actions[bot]

DEPS

@@ -3,7 +3,7 @@ use_relative_paths = True
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': '0df56740031c3882c3b3f93bef15698a30f3a1f6',
+  'abseil_revision': 'c0b9bd08e0ac10d06683b19193b776b8b87181d7',
 
   'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',