dotbot/controller: ignore positions that are too close from the last one

[aabadie]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.99%. Comparing base (7fa7d1e) to head (9a7358b).
⚠️ Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
dotbot/controller.py	60.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #213      +/-   ##
==========================================
+ Coverage   81.87%   81.99%   +0.11%     
==========================================
  Files          30       30              
  Lines        2907     2943      +36     
==========================================
+ Hits         2380     2413      +33     
- Misses        527      530       +3     

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