DM-45888: Remove mambaforge for miniforge

[roceb]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 83.22%. Comparing base (c8ee65f) to head (080a211).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #448      +/-   ##
==========================================
- Coverage   83.25%   83.22%   -0.04%     
==========================================
  Files          99       99              
  Lines       11861    11861              
  Branches     2280     2280              
==========================================
- Hits         9875     9871       -4     
- Misses       1600     1603       +3     
- Partials      386      387       +1     

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

[timj]

If there are other changes pending out there you can merge without review if the GHA completes.