Bump hashicorp/azurerm from 4.39.0 to 4.40.0 in /tests/integration-tests (#79)

Bumps [hashicorp/azurerm](https://github.com/hashicorp/terraform-provider-azurerm) from 4.39.0 to 4.40.0.
- [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@v4.39.0...v4.40.0)

---
updated-dependencies:
- dependency-name: hashicorp/azurerm
  dependency-version: 4.40.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]