fix: use tag template for version title and compare change link

[JaZo]

Fixes #254

[pi0]

thnx!

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 45.13%. Comparing base (0914fd7) to head (afba21a).
Report is 58 commits behind head on main.

Files with missing lines	Patch %	Lines
src/markdown.ts	66.66%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main     #255       +/-   ##
===========================================
- Coverage   69.10%   45.13%   -23.98%     
===========================================
  Files           9       12        +3     
  Lines         916      955       +39     
  Branches       85       96       +11     
===========================================
- Hits          633      431      -202     
- Misses        283      521      +238     
- Partials        0        3        +3     

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