Chore(deps): Update hashicorp/azurerm requirement (#525)

Updates the requirements on [hashicorp/azurerm](https://github.com/hashicorp/terraform-provider-azurerm) to permit the latest version.

Updates `hashicorp/azurerm` to 4.9.0
- [Release notes](https://github.com/hashicorp/terraform-provider-azurerm/releases)
- [Changelog](https://github.com/hashicorp/terraform-provider-azurerm/blob/main/CHANGELOG.md)
- [Commits](hashicorp/terraform-provider-azurerm@v4.8.0...v4.9.0)

---
updated-dependencies:
- dependency-name: hashicorp/azurerm
  dependency-type: direct:production
  dependency-group: all
...

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

examples/resources/powerplatform_enterprise_policy/network_injection/main.tf

@@ -7,7 +7,7 @@ terraform {
     }
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = "~>4.8.0"
+      version = "~>4.9.0"
     }
   }
 }