[CI] Rename / Recreate Docker Hub repo for this adapter.

[leecalcote]

Current Behavior

Following this adapter's renaming, this Docker Hub repo https://hub.docker.com/r/layer5/meshery-perf can change from meshery-perf to meshery-nighthawk.

Implementation

I don’t believe that repos can be renamed in Docker Hub, so I’ll be creating a new one.

Acceptance Tests

1. New repo writeable by meshery_ci user.
2. Available at https://hub.docker.com/r/meshery/meshery-nighthawk

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Contributor Guides and Resources

• 📝 Meshery Adapters Spreadsheet
• 🛠 Meshery Build & Release Strategy
• 🙋🏾🙋🏼 Questions: Layer5 Discussion Forum and Layer5 Community Slack

[leecalcote]

Acceptance criteria implemented.