chore(deps): bump polars-core in the prod-deps group (#395)

Bumps the prod-deps group with 1 update: [polars-core](https://github.com/pola-rs/polars).


Updates `polars-core` from 0.50.0 to 0.51.0
- [Release notes](https://github.com/pola-rs/polars/releases)
- [Commits](pola-rs/polars@rs-0.50.0...rs-0.51.0)

---
updated-dependencies:
- dependency-name: polars-core
  dependency-version: 0.51.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-deps
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Cargo.lock

@@ -32,7 +32,7 @@ arrow-schema = { version = "^56.1.0", optional = true }
 calamine = { version = "^0.30.1", features = ["dates"] }
 chrono = { version = "^0.4.42", default-features = false }
 log = "^0.4.28"
-polars-core = { version = "^0.50", default-features = false, features = [
+polars-core = { version = ">=0.50", default-features = false, features = [
     "dtype-date",
     "dtype-datetime",
     "dtype-duration",