CI: Add version replacement workflow

[tiltingpenguin]

Part of #48

Test run:

• https://github.com/tiltingpenguin/libcobblersignatures/actions/runs/3845721452
• [Bot] Update project version to 0.1.1 tiltingpenguin/libcobblersignatures#2

[codecov]

Codecov Report

Base: 53.30% // Head: 53.36% // Increases project coverage by +0.06% 🎉

Coverage data is based on head (5b3de92) compared to base (fcc11cb).
Patch coverage: 100.00% of modified lines in pull request are covered.

❗ Current head 5b3de92 differs from pull request most recent head 612cc8c. Consider uploading reports for the commit 612cc8c to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #52      +/-   ##
==========================================
+ Coverage   53.30%   53.36%   +0.06%     
==========================================
  Files           6        6              
  Lines         756      757       +1     
==========================================
+ Hits          403      404       +1     
  Misses        353      353              

Flag	Coverage Δ
unittests	53.36% <100.00%> (+0.06%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
libcobblersignatures/__init__.py	94.56% <100.00%> (+0.05%)	⬆️

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[SchoolGuy]

LGTM. We shouldn't tag before we addressed the other release automation though.