Update dependency dart to ^3.9.3

moneymgr_backend/Cargo.lock

@@ -425,9 +425,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.100"
+version = "1.0.99"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
+checksum = "b0674a1ddeecb70197781e945de4b3b8ffb61fa939a5597bcf48503737663100"
 
 [[package]]
 name = "arbitrary"

moneymgr_backend/Cargo.toml

@@ -16,7 +16,7 @@ actix-remote-ip = "0.1.0"
 actix-session = { version = "0.10.1", features = ["redis-session"] }
 actix-files = "0.6.8"
 lazy_static = "1.5.0"
-anyhow = "1.0.100"
+anyhow = "1.0.99"
 serde = { version = "1.0.219", features = ["derive"] }
 rust-s3 = "0.36.0-beta.2"
 thiserror = "2.0.12"

moneymgr_mobile/pubspec.yaml

@@ -19,7 +19,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 
 environment:
-  sdk: ^3.8.1
+  sdk: ^3.9.3
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions