Bump hashicorp/azurerm from 4.55.0 to 4.70.0 in /infrastructure

Bumps [hashicorp/azurerm](https://github.com/hashicorp/terraform-provider-azurerm) from 4.55.0 to 4.70.0.
- [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@v4.55.0...v4.70.0)

---
updated-dependencies:
- dependency-name: hashicorp/azurerm
  dependency-version: 4.70.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]