Limit release of official branch

[clamoriniere]

What does this PR do?

Only run the CI release workflow on specific branches: main and v* such as v0.6.x

Motivation

Do not create random release when adding a "custom" tag.

Additional Notes

Anything else we should know when reviewing?

Describe your test plan

Write there any instructions and details you may have to test your PR.

[github-actions]

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[codecov-commenter]

Codecov Report

Merging #344 (987e044) into main (ddbd7b5) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #344   +/-   ##
=======================================
  Coverage   63.98%   63.98%           
=======================================
  Files          61       61           
  Lines        6694     6694           
=======================================
  Hits         4283     4283           
  Misses       2104     2104           
  Partials      307      307           

Flag	Coverage Δ
unittests	63.98% <ø> (ø)

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