Upgrade GitHub Actions again

[cclauss]

-        uses: actions/setup-python@v3
+        uses: actions/setup-python@v4

[codecov]

Codecov Report

Merging #20 (2093639) into dev (7afb5d4) will increase coverage by 1%.
The diff coverage is n/a.

@@         Coverage Diff         @@
##            dev    #20   +/-   ##
===================================
+ Coverage    82%    82%   +1%     
===================================
  Files       115    115           
  Lines      9013   9013           
===================================
+ Hits       7336   7369   +33     
+ Misses     1677   1644   -33     

Impacted Files	Coverage Δ
bbot/core/helpers/wordcloud.py	86% <0%> (-1%)	⬇️
bbot/scanner/scanner.py	84% <0%> (+1%)	⬆️
bbot/core/event/base.py	93% <0%> (+1%)	⬆️
bbot/modules/internal/speculate.py	83% <0%> (+5%)	⬆️
bbot/scanner/manager.py	84% <0%> (+10%)	⬆️

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