fix(webui): increase roll difficulties

[natelandau]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.39%. Comparing base (9795b1e) to head (214cc50).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #208   +/-   ##
=======================================
  Coverage   78.39%   78.39%           
=======================================
  Files          75       75           
  Lines        4369     4369           
  Branches      502      502           
=======================================
  Hits         3425     3425           
- Misses        804      806    +2     
+ Partials      140      138    -2     

Files with missing lines	Coverage Δ
src/valentina/utils/config.py	83.01% <100.00%> (ø)
src/valentina/webui/blueprints/oauth/blueprint.py	100.00% <ø> (ø)
src/valentina/webui/config.py	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes