Roll external/abseil_cpp/ ba5fd0979..482ca0b9d (1 commit) (#5828)

https://github.com/abseil/abseil-cpp/compare/ba5fd0979b4e...482ca0b9d662

Created with:
  roll-dep external/abseil_cpp

Co-authored-by: GitHub Actions[bot] <>
diff --git a/DEPS b/DEPS
index a6b7f23..79639e9 100644
--- a/DEPS
+++ b/DEPS
@@ -3,7 +3,7 @@
 vars = {
   'github': 'https://github.com',
 
-  'abseil_revision': 'ba5fd0979b4e74bd4d1b8da1d84347173bd9f17f',
+  'abseil_revision': '482ca0b9d6622eec4fcccbf10ddae63ef1e5c497',
 
   'effcee_revision': '2c97e5689ed8d7ab6ae5820f884f03a601ae124b',