feat: Add notification v5 method

[ikudinov]

PR checklist

• I've written good commit message for all commits
• I've split changes into separate commits where it's appropriate
• I've added the description of function to documentation
• I've updated project version in pyproject.toml
• I'll make a release when PR is merged
• I'll bump pybotx in bot-template

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (fb09734) to head (fb825eb).

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Additional details and impacted files

@@            Coverage Diff            @@
##            master      #448   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          116       117    +1     
  Lines         3938      3975   +37     
  Branches       346       347    +1     
=========================================
+ Hits          3938      3975   +37     

Flag	Coverage Δ
unittests	100.00% <100.00%> (ø)

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