fix: adding sortition interval to the parameters

[b00f]

Description

A new parameter added for the sortition interval.

Checklist

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• [ x] Breaking change (fix or feature that would cause existing functionality to change)
• My code follows the code style of this project.
• I have added tests to cover my changes.
• All new and existing tests passed.
• CHANGELOG is updated.

[codecov]

Codecov Report

Merging #442 (b647f74) into main (a8c6be9) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #442      +/-   ##
==========================================
+ Coverage   82.15%   82.16%   +0.01%     
==========================================
  Files         148      148              
  Lines        6947     6952       +5     
==========================================
+ Hits         5707     5712       +5     
  Misses        950      950              
  Partials      290      290