chore: allow custom version number release script

[akoreman]

Issue #, if available: NA

Description of changes: Currently, when releasing a new Ace version, the new version number is automatically picked up through conventional commits. Sometimes we want to be able to override this.

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Pull Request Checklist:

• No backwards incompatible changes were made to Ace's public interface which is defined through the main typings file (ace.d.ts) and its references:
  • https://github.com/ajaxorg/ace/blob/master/ace.d.ts
  • https://github.com/ajaxorg/ace/blob/master/ace-modes.d.ts
  • https://github.com/ajaxorg/ace/blob/master/ace-extensions.d.ts

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.02%. Comparing base (fcf6384) to head (a9803a6).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5699   +/-   ##
=======================================
  Coverage   87.02%   87.02%           
=======================================
  Files         598      598           
  Lines       43588    43588           
  Branches     7162     7162           
=======================================
  Hits        37932    37932           
  Misses       5656     5656           

Flag	Coverage Δ
unittests	87.02% <ø> (ø)

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[whazor]

seems like the default is y but not mentioned.

[whazor]

ahh, you can ignore this, seems like the rest of the file also uses that pattern