[CI] Update use of mesheryctl pattern to mesheryctl design

[leecalcote]

Current Behavior

Workflows are failing to complete successfully due to their use of a deprecated command in Meshery CLI. See https://github.com/meshery/meshery-kuma/actions/runs/12303031125/job/34338314021?pr=443 for an example.

Implementation

1. In each applicable workflow, update use of mesheryctl pattern to mesheryctl design

Acceptance Tests

1. Tests are no longer failing in their use of mesheryctl.

Contributor Guides and Resources

• 📝 Meshery Adapters Spreadsheet
• 🛠 Meshery Build & Release Strategy
• 📚 Instructions for contributing to documentation
  • Meshery documentation site and source
• 🎨 Wireframes and designs for Meshery UI in Figma (open invite)
• 🙋🏾🙋🏼 Questions: Layer5 Discussion Forum and Layer5 Community Slack

[aakankshabhende]

@leecalcote I want to work on this issue. Could you please assign me this?