Bump Azure/azapi in /src/infra/workload/releaseunit (#1386)

Bumps [Azure/azapi](https://github.com/Azure/terraform-provider-azapi) from 1.12.1 to 1.13.1.
- [Release notes](https://github.com/Azure/terraform-provider-azapi/releases)
- [Changelog](https://github.com/Azure/terraform-provider-azapi/blob/main/CHANGELOG.md)
- [Commits](Azure/terraform-provider-azapi@v1.12.1...v1.13.1)

---
updated-dependencies:
- dependency-name: Azure/azapi
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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