chore(deps): update grafana/grafana requirement from ~> 3.0 to ~> 4.41

Updates the requirements on [grafana/grafana](https://github.com/grafana/terraform-provider-grafana) to permit the latest version.
- [Release notes](https://github.com/grafana/terraform-provider-grafana/releases)
- [Changelog](https://github.com/grafana/terraform-provider-grafana/blob/main/CHANGELOG.md)
- [Commits](grafana/terraform-provider-grafana@v3.0.0...v4.41.0)

---
updated-dependencies:
- dependency-name: grafana/grafana
  dependency-version: 4.41.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

src/modules/namespace-service-demo/main.tf

@@ -6,7 +6,7 @@ terraform {
     }
     grafana = {
       source  = "grafana/grafana"
-      version = "~> 3.0"
+      version = "~> 4.41"
     }
   }
 }