Backport "Allow discarding "Discarded non-Unit" warnings with `: Unit`" to 3.3 LTS#123

tgodzik wants to merge 2 commits intobackport-lts-3.3-22001scala/scala3-lts:backport-lts-3.3-22001from

backport-lts-3.3-21927scala/scala3-lts:backport-lts-3.3-21927Copy head branch name to clipboard