build(deps): update polars-core requirement from 0.44.2 to 0.45.1

Updates the requirements on [polars-core](https://github.com/pola-rs/polars) to permit the latest version.
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](https://github.com/pola-rs/polars/commits)

---
updated-dependencies:
- dependency-name: polars-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Cargo.toml

@@ -33,7 +33,7 @@ mysql = { version = "25.0.1", default-features = false, features = [
     "rustls-tls",
 ] }
 # polars = { version = "0.43.1", default-features = false, features = ["json"] }
-polars-core = { version = "0.44.2", default-features = false }
+polars-core = { version = "0.45.1", default-features = false }
 polars-io = { version = "0.44.2", default-features = false, features = [
     "json",
     "csv",