Update dart

Author: itsjustkevin

library/dart

@@ -1,12 +1,12 @@
 Maintainers: Alexander Thomas <[email protected]> (@athomas), Tony Pujals <[email protected]> (@subfuzion)
 GitRepo: https://github.com/dart-lang/dart-docker.git
 GitFetch: refs/heads/main
-GitCommit: da40aaeba0b58bee5fc5c8c9a2ebe340a69d94f8
+GitCommit: 78d6abbd3622fd4643eba38db0530d546b964ee7
 
 Tags: 3.5.4-sdk, 3.5-sdk, 3-sdk, stable-sdk, sdk, 3.5.4, 3.5, 3, stable, latest
 Architectures: amd64, arm32v7, arm64v8
 Directory: stable/bookworm
 
-Tags: 3.6.0-334.3.beta-sdk, beta-sdk, 3.6.0-334.3.beta, beta
+Tags: 3.6.0-334.4.beta-sdk, beta-sdk, 3.6.0-334.4.beta, beta
 Architectures: amd64, arm32v7, arm64v8
 Directory: beta/bookworm