Roll external/abseil_cpp/ dbf88f932..b6c181695 (1 commit) (KhronosGroup#6737)

abseil/abseil-cpp@dbf88f9...b6c1816

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': 'dbf88f932096c7f7714356e919f04749eb87c3e9',
+  'abseil_revision': '1b2acc1a07d8e972cb4aa11e4a759a5f306d0295',
 
   'effcee_revision': '910ed15722d5d05c9d71ecf36c1a22243cb79b02',