Update Rust crate diesel_migrations to 2.3.1

moneymgr_backend/Cargo.toml

@@ -7,7 +7,7 @@ edition = "2024"
 env_logger = "0.11.9"
 log = "0.4.29"
 diesel = { version = "2.3.7", features = ["postgres", "r2d2"] }
-diesel_migrations = "2.2.0"
+diesel_migrations = "2.3.1"
 clap = { version = "4.5.60", features = ["env", "derive"] }
 actix-web = "4.13.0"
 actix-cors = "0.7.1"

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: 3.11.3
+  sdk: ^3.8.1
 
 # Dependencies specify other packages that your package needs in order to work.
 # To automatically upgrade your package dependencies to the latest versions