fix(ci): fix incorrect actions config

[piksel]

This fixes three problems:

• setup-go in the dev-release tried to install go v1.2 instead of v1.20, since it's parsed as a number
• when setting the dev version, not enough commits where fetched to feed git describe
• release builds were triggered on release creation instead of tag creation and with a incorrect tag selector

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (2576ba3) 70.55% compared to head (e33d48e) 70.55%.
Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1872   +/-   ##
=======================================
  Coverage   70.55%   70.55%           
=======================================
  Files          26       26           
  Lines        2493     2493           
=======================================
  Hits         1759     1759           
  Misses        633      633           
  Partials      101      101           

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