Return rocky version through a function

[Adrian-B-Moreira]

The code was trying to update the _ROCKY_VERSION variable before the Rocky's process was raised. The solution was to use a function to return the version in every place that it is required, instead of saving it inside a variable.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.48%. Comparing base (fcbb5c1) to head (4f4a52d).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #124      +/-   ##
==========================================
- Coverage   92.52%   92.48%   -0.04%     
==========================================
  Files           7        7              
  Lines         214      213       -1     
==========================================
- Hits          198      197       -1     
  Misses         16       16              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.