chore(deps): bump kube from 3.1.0 to 4.0.0

Bumps [kube](https://github.com/kube-rs/kube) from 3.1.0 to 4.0.0.
- [Release notes](https://github.com/kube-rs/kube/releases)
- [Changelog](https://github.com/kube-rs/kube/blob/main/CHANGELOG.md)
- [Commits](kube-rs/kube@3.1.0...4.0.0)

---
updated-dependencies:
- dependency-name: kube
  dependency-version: 4.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

Cargo.lock

@@ -51,7 +51,7 @@ path = "src/bin/spot_schedule_capital_markets.rs"
 # aws-lc-rs — same crypto lineage as OpenSSL/BoringSSL, which client-go and curl use
 # successfully against that exact endpoint — does. default-features=false drops the default
 # `ring`; we re-add `client` + `rustls-tls` explicitly alongside `aws-lc-rs`.
-kube = { version = "3.1", default-features = false, features = ["runtime", "derive", "client", "ws", "unstable-runtime", "rustls-tls", "aws-lc-rs"] }
+kube = { version = "4.0", default-features = false, features = ["runtime", "derive", "client", "ws", "unstable-runtime", "rustls-tls", "aws-lc-rs"] }
 kube-lease-manager = "0.11"
 k8s-openapi = { version = "0.27", features = ["latest", "schemars"] }
 tokio = { version = "1", features = ["full"] }