Roll Fuchsia SDK from 27.20250430.4.1 to 28.20250506.0.1

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/fuchsia-sdk-dart-sdk
Please CC fuchsia-3p-engprod@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in Fuchsia SDK: https://bugs.fuchsia.dev/p/fuchsia/issues/list
To file a bug in Dart SDK: https://github.com/dart-lang/sdk/issues

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Cq-Include-Trybots: luci.dart.try:vm-fuchsia-release-x64-try;luci.dart.try:vm-fuchsia-release-arm64-try
Change-Id: I2bd32d373fce4ea41fb0f4aa6e7b937c4c91e289
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/426760
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Zijie He <zijiehe@google.com>
Commit-Queue: Alexander Markov <alexmarkov@google.com>

https://dart.googlesource.com/sdk/+/e1bb6e98fe0880ba80d3e02c4582926785f657a1

DEPS

diff --git a/DEPS b/DEPS
index 130c6ea..0a86b52 100644
--- a/DEPS
+++ b/DEPS
@@ -234,7 +234,7 @@
 ]
 
 deps = {
-  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + '4221de4e0a12a0e49048662ad9bb207c0feac5ce',
+  'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + 'e1bb6e98fe0880ba80d3e02c4582926785f657a1',
 
   'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'a3a41226e5afe8a7e59398b8b6eb6ea349a62ca7',
 

commits.json

diff --git a/commits.json b/commits.json
index 0e784ea..c2f0e2e 100644
--- a/commits.json
+++ b/commits.json
@@ -1,4 +1,4 @@
 {
   "flutter":"a3a41226e5afe8a7e59398b8b6eb6ea349a62ca7",
-  "flutter/engine/src/flutter/third_party/dart":"4221de4e0a12a0e49048662ad9bb207c0feac5ce"
+  "flutter/engine/src/flutter/third_party/dart":"e1bb6e98fe0880ba80d3e02c4582926785f657a1"
 }
\ No newline at end of file