Fix #18609: Add language.`3.4` and language.`3.4-migration`.#18610

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bishabosha merged 1 commit intoscala:mainfrom

dotty-staging:language-3.4

Sep 28, 2023

Commits on Sep 28, 2023

Fix #18609: Add language.`3.4` and language.`3.4-migration`.
sjrd
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