Roll Engine from 36ad9f1bbe77 to b5a9cfd537b2 (2 revisions) (#96439)

* c9b0f70b0 Roll Dart SDK from f59531cc2973 to a6b70ecf9e48 (5 revisions) (flutter/engine#30776)

* b5a9cfd53 Roll Skia from 55b4dc3f7a1c to 8a85ab0d96a1 (1 revision) (flutter/engine#30777)
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 121671d..1fd6dd3 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-36ad9f1bbe77cd250d63ee8127e2fb7cab1a29ac
+b5a9cfd537b2b9dbe1a6869938a976da6d9cabae