Update hashicorp/kubernetes requirement from ~> 2.23 to ~> 3.0

Updates the requirements on [hashicorp/kubernetes](https://github.com/hashicorp/terraform-provider-kubernetes) to permit the latest version.
- [Release notes](https://github.com/hashicorp/terraform-provider-kubernetes/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-kubernetes/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-kubernetes@v2.23.0...v3.0.0)

---
updated-dependencies:
- dependency-name: hashicorp/kubernetes
  dependency-version: 3.0.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

terraform/provider.tf

@@ -3,7 +3,7 @@ terraform {
   required_providers {
     kubernetes = {
       source  = "hashicorp/kubernetes"
-      version = "~> 2.23"
+      version = "~> 3.0"
     }
   }