Backport build changes and TASTy version tests from main#185

Merged

WojciechMazur merged 7 commits intoscala:lts-3.3from

WojciechMazur:build/lts-backports

Mar 19, 2025

Commits on Mar 19, 2025

[build] Improve, document and group versioning code in `Build.scala` (#21837)
WojciechMazur
committed
Improve mima test for previous version - test against first version in the series
WojciechMazur
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Document referenceVersion
WojciechMazur
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Update reference, MiMa previous version and sync TASTy version (#22187)
WojciechMazur
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Adapt `checkReleasedTastyVersion` to LTS series - nightlies of LTS are released using stable TASTy version
WojciechMazur
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Adjust expected tasty version comments to LTS versioning
WojciechMazur
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Adjust MiMaFilter for backported dotty.tools.tasty.TastyVersion class
WojciechMazur
committed