Backport "fix: allow postfix setters under language.postfixOps" to 3.3 LTS#563

tgodzik merged 1 commit intolts-3.3scala/scala3-lts:lts-3.3from

backport-lts-3.3-23775scala/scala3-lts:backport-lts-3.3-23775Copy head branch name to clipboard