fix: adding seed under reproduce in bug report

[abanuelo]

Description

As part of the bug report template, adding clarification of running scenic commands with a SEED to ensure reproducibility.

Issue Link

Adhoc request from @Eric-Vin

Checklist

• I have tested the changes locally via pytest and/or other means
• I have added or updated relevant documentation
• I have autoformatted the code with black and isort
• I have added test cases (if applicable)

Additional Notes

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.94%. Comparing base (d5a21fc) to head (b9810fb).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #225      +/-   ##
==========================================
+ Coverage   85.89%   85.94%   +0.05%     
==========================================
  Files         144      144              
  Lines       24767    24767              
==========================================
+ Hits        21274    21287      +13     
+ Misses       3493     3480      -13     

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[Eric-Vin]

@dfremont Thoughts on wording?