Roll external/abseil_cpp/ 6ad95e153..7ece455c2 (4 commits) (KhronosGroup#6229)

abseil/abseil-cpp@6ad95e1...7ece455

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': '6ad95e1535a6036922795417f60c6a8bc1d834a4',
+  'abseil_revision': '7ece455c2527fa7f001a5f734a7efa42df4e767a',
 
   'effcee_revision': '8ce15c424e61a94ee27b5be0ec0ed036b158e6e3',