feat: support for issues ++ prs ✨ in pyosmeta

[lwasser]

this is a draft issue that adds support for both issues and pr's into pyos meta. this will allow us to more easily process metrics that we need for reporting.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.97%. Comparing base (2021a1c) to head (c8b3f69).
Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #211      +/-   ##
==========================================
+ Coverage   73.51%   73.97%   +0.46%     
==========================================
  Files          10       10              
  Lines         657      661       +4     
  Branches      102      103       +1     
==========================================
+ Hits          483      489       +6     
+ Misses        165      164       -1     
+ Partials        9        8       -1     

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[lwasser]

I am going to merge this and create a tiny patch release to support this feature for our metric generation that I need for the next proposal // annual report.