style: remove extra space from pull request template

[zimeg]

Summary

Small housekeeping PR to hopefully help a little with maintainer sanity 🤪

Requirements

• I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• I've read and agree to the Code of Conduct.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.56%. Comparing base (5af34b4) to head (c8a9791).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##           main      #93       +/-   ##
=========================================
+ Coverage      0   78.56%   +78.56%     
=========================================
  Files         0       17       +17     
  Lines         0      877      +877     
  Branches      0      129      +129     
=========================================
+ Hits          0      689      +689     
- Misses        0      187      +187     
- Partials      0        1        +1     

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