Roll external/abseil_cpp/ 1315c900e..b4e4b6259 (1 commit) (#5716)

* Roll external/re2/ 4a8cee3dd..6144b62be (5 commits)

https://github.com/google/re2/compare/4a8cee3dd3c3...6144b62bece5

Created with:
  roll-dep external/re2

* Roll external/abseil_cpp/ 1315c900e..16452e141 (19 commits)

https://github.com/abseil/abseil-cpp/compare/1315c900e1dd...16452e1418c1

Created with:
  roll-dep external/abseil_cpp

---------

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

DEPS

diff --git a/DEPS b/DEPS
index 6d72344..fe5fb57 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': '1315c900e1ddbb08a23e06eeb9a06450052ccb5e',
+  'abseil_revision': '16452e1418c1c2a8bcf4a99238e190ba901a20a6',
 
   'effcee_revision': 'd74d33d93043952a99ae7cd7458baf6bc8df1da0',
 
@@ -12,7 +12,7 @@
   # Use protobufs before they gained the dependency on abseil
   'protobuf_revision': 'v21.12',
 
-  're2_revision': '4a8cee3dd3c3d81b6fe8b867811e193d5819df07',
+  're2_revision': '6144b62bece50a4af8bcdb166f04f6ec5af3d6d8',
 
   'spirv_headers_revision': '2acb319af38d43be3ea76bfabf3998e5281d8d12',
 }