fixing command to generate localnet files on readme

[McDaan]

Describe your changes

Indicate on which release or other PRs this topic is based on

Checklist before merging to draft

• [ ] I have added a changelog
• [ ] Git history is in acceptable state

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 61.25%. Comparing base (7d70e5a) to head (6ee02bb).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3044      +/-   ##
==========================================
- Coverage   61.26%   61.25%   -0.01%     
==========================================
  Files         290      290              
  Lines       88556    88556              
==========================================
- Hits        54251    54247       -4     
- Misses      34305    34309       +4     

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