fix(release_notes): ensure tag prefix is included

[ReenigneArcher]

Description

The comparison URL in the generated release notes is missing the "v" prefix in the second tag.

Screenshot

Issues Fixed or Closed

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (874be46) to head (a898d58).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #129   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            1         1           
  Lines          174       174           
=========================================
  Hits           174       174           

Files	Coverage Δ
action/main.py	100.00% <ø> (ø)