Fix latest Ruff lint failures

[timkpaine]

Description

Brief description of the changes in this PR.

Type of Change

• Bug fix
• New feature
• Documentation update
• Refactor / code cleanup
• CI / build configuration
• Other (describe below)

Checklist

• Linting passes (make lint)
• Tests pass (make test)
• New tests added for new functionality
• Documentation updated (if applicable)
• Changelog / version bump (if applicable)

[github-actions]

Test Results

256 tests  +2   256 ✅ +2   5s ⏱️ ±0s
  1 suites ±0     0 💤 ±0 
  1 files   ±0     0 ❌ ±0 

Results for commit c8191a7. ± Comparison against base commit cc3adee.

[codecov]

Codecov Report

❌ Patch coverage is 88.88889% with 20 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.74%. Comparing base (cc3adee) to head (c8191a7).

Files with missing lines	Patch %	Lines
csp_bot/bot.py	62.26%	20 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #87      +/-   ##
==========================================
+ Coverage   82.31%   82.74%   +0.42%     
==========================================
  Files          41       42       +1     
  Lines        4037     4050      +13     
  Branches      304      303       -1     
==========================================
+ Hits         3323     3351      +28     
+ Misses        619      604      -15     
  Partials       95       95              

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