Backport "chore: have a better error message when context bounds are not allowed" to 3.3 LTS#432

tgodzik merged 2 commits intolts-3.3scala/scala3-lts:lts-3.3from

backport-lts-3.3-23190scala/scala3-lts:backport-lts-3.3-23190Copy head branch name to clipboard