ref(querybuilder): Change span aggregations to use snuba params

[wmak]

• This is part of the change to move everything to snuba params

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.12%. Comparing base (0a4f773) to head (aa0a91c).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #75065      +/-   ##
==========================================
- Coverage   78.12%   78.12%   -0.01%     
==========================================
  Files        6748     6748              
  Lines      301209   301207       -2     
  Branches    51833    51832       -1     
==========================================
- Hits       235328   235311      -17     
- Misses      59554    59567      +13     
- Partials     6327     6329       +2     

Files	Coverage Δ
...ry/api/endpoints/organization_spans_aggregation.py	94.28% <100.00%> (+1.06%)	⬆️

... and 8 files with indirect coverage changes