backport to v1: `_register_kinds!`: improve type stability when creating `Vector`#588

nsajko wants to merge 1 commit intoJuliaLang:backports-release-1JuliaLang/JuliaSyntax.jl:backports-release-1from

nsajko:backport_pr_587nsajko/JuliaSyntax.jl:backport_pr_587Copy head branch name to clipboard