feat(typescript-estree): support const modifiers for type parameters

[sosukesuzuki]

PR Checklist

• Addresses an existing open issue: partial of TypeScript 5.0 Support #6380
• That issue was marked as accepting prs
• Steps in Contributing were taken

Overview

Based on #6570

Supports https://devblogs.microsoft.com/typescript/announcing-typescript-5-0-rc/#const-type-parameters

TODO:

• When test(ast-spec): update @babel/parser #6599 is merged, adds test fixtures.

[typescript-eslint]

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🟥 Failed Commands
Node 14 - nx test typescript-estree --coverage=false
Node 18 - nx test typescript-estree

✅ Successfully ran 36 targets

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[bradzacher]

the change and fixtures LGTM!

[bradzacher]

When #6599 is merged, adds test fixtures.

@sosukesuzuki what fixtures need to be added? Looks like it's pretty good coverage?

[sosukesuzuki]

what fixtures need to be added? Looks like it's pretty good coverage?

Ah sorry, nothing. The PR description is written before adding fixtures.

[bradzacher]

Sweet - this is perfect then! We can get this in for the next release and we'll have 5.0 support!!

[sosukesuzuki]

Thank you for reviewing & merging this!