style: rename v1alpha1 to fleetnetv1alpha1 for better readability

[jamyct]

Improve styling of imports

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• run make reviewable for basic local test
• Read and followed fleet-networking's Code of conduct.
• uses conventional commit messages
• includes documentation
• adds unit tests

How has this code been tested

Special notes for your reviewer

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.97%. Comparing base (1c36ce3) to head (2399abf).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #243      +/-   ##
==========================================
- Coverage   80.08%   79.97%   -0.11%     
==========================================
  Files          27       27              
  Lines        3846     3846              
==========================================
- Hits         3080     3076       -4     
- Misses        612      615       +3     
- Partials      154      155       +1     

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[Copilot]

Copilot reviewed 1 out of 1 changed files in this pull request and generated no comments.