fix(billing): remove alpha tip + editorial fixes

[scaleway-bot]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 50.19%. Comparing base (3b8ea2f) to head (b622b04).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
internal/namespaces/registry/v1/registry_cli.go	66.66%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5852   +/-   ##
=======================================
  Coverage   50.19%   50.19%           
=======================================
  Files         346      346           
  Lines       79665    79665           
=======================================
  Hits        39985    39985           
  Misses      38159    38159           
  Partials     1521     1521           

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