Bump hashicorp/azurerm in /src/infra/workload/releaseunit (#1229)

Bumps [hashicorp/azurerm](https://github.com/hashicorp/terraform-provider-azurerm) from 3.83.0 to 3.85.0.
- [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@v3.83.0...v3.85.0)

---
updated-dependencies:
- dependency-name: hashicorp/azurerm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

src/infra/workload/releaseunit/main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     azurerm = {
       source  = "hashicorp/azurerm"
-      version = "3.83.0"
+      version = "3.85.0"
     }
     azapi = {
       source  = "Azure/azapi"