tidy doesn't auto-run js checks if a typescript file is changed

[lolbinarycat]

ExtraCheckArg::is_non_auto_or_matches with ExtraCheckLang::Js should return true if the filepath ends in .js or .ts.

this should be fairly easy to do by just making the match statement yield a slice of strings instead of a single string, and then using Iterator::any.

rust/src/tools/tidy/src/extra_checks/mod.rs

Line 723 in 523d399

let ext = match self.lang {

[FrancescoV1985]

I would like to give a try!
Thanks

[FrancescoV1985]

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