Update Rust crate sea-orm-migration to ^0.12.12 (#32)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Cargo.lock

@@ -12,7 +12,7 @@ path = "src/lib.rs"
 async-std = { version = "^1.12.0", features = ["attributes", "tokio1"] }
 
 [dependencies.sea-orm-migration]
-version = "^0.12.11"
+version = "^0.12.12"
 features = [
   # Enable at least one `ASYNC_RUNTIME` and `DATABASE_DRIVER` feature if you want to run migration via CLI.
   # View the list of supported features at https://www.sea-ql.org/SeaORM/docs/install-and-config/database-and-async-runtime.