fix: update keys and secrets dependencies

[msl0]

Description

This change fixes the issue with the order of the destroy operation

Fixes #214
Closes #214

Type of Change

• Non-module change (e.g. CI/CD, documentation, etc.)
• Azure Verified Module updates:
  • Bugfix containing backwards compatible bug fixes
    • Someone has opened a bug report issue, and I have included "Closes #{bug_report_issue_number}" in the PR description.
    • The bug was found by the module author, and no one has opened an issue to report it yet.
  • Feature update backwards compatible feature updates.
  • Breaking changes.
  • Update to documentation

Checklist

• I'm sure there are no other open Pull Requests for the same update/change
• My corresponding pipelines / checks run clean and green without any errors or warnings
• I did run all pre-commit checks

[msl0]

@matt-FFFFFF could you please run workflows?

[Copilot]

Pull Request Overview

This PR fixes the order of destroy operations by adding proper dependency declarations for keys and secrets modules, ensuring they depend on both managed and unmanaged DNS zone groups private endpoints. It also updates the Azure regions utility module version from 0.1.0 to 0.9.0 in the create-key example.

• Added dependency on azurerm_private_endpoint.this_unmanaged_dns_zone_groups to both keys and secrets modules
• Updated Azure regions utility module version to align with latest available version
• Updated corresponding documentation to reflect the version change

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
main.secrets.tf	Added dependency on unmanaged DNS zone groups private endpoint
main.keys.tf	Added dependency on unmanaged DNS zone groups private endpoint
examples/create-key/main.tf	Updated regions utility module version from 0.1.0 to 0.9.0
examples/create-key/README.md	Updated documentation to reflect new regions utility module version

[msl0]

@matt-FFFFFF thank you for approval. Is there anything else I need to do to make PR completed?

[matt-FFFFFF]

closing in favour of #261 as we need a local branch for tests