Roll Dart SDK from e74d62292131 to 5e5c2be81d57 (2 revisions) (#184303)

https://dart.googlesource.com/sdk.git/+log/e74d62292131..5e5c2be81d57

2026-03-29 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.12.0-299.0.dev
2026-03-29 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.12.0-298.0.dev

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ensure that a human
is aware of the problem.

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diff --git a/DEPS b/DEPS
index 05456e9..6a4251d 100644
--- a/DEPS
+++ b/DEPS
@@ -59,7 +59,7 @@
   # updated revision list of existing dependencies. You will need to
   # gclient sync before and after update deps to ensure all deps are updated.
   # updated revision list of existing dependencies.
-  'dart_revision': 'e74d62292131a979e55fd820cc6c1946bdad520a',
+  'dart_revision': '5e5c2be81d570a01212b2d0ada982cd658ecdebc',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py