feat(eslint-plugin): [adjacent-overload-signatures] check BlockStatement nodes

[lsdsjy]

PR Checklist

• Addresses an existing open issue: fixes #000
• That issue was marked as accepting prs
• Steps in CONTRIBUTING.md were taken

Overview

Overloaded function declarations can also appear in BlockStatements and should be checked.

[typescript-eslint]

Thanks for the PR, @lsdsjy!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[JoshuaKGoldberg]

Thanks for sending this in @lsdsjy! Per our Contributing guide we normally ask that PRs address a previously-opened issue, to help us triage requests & make sure they're valid before sending.

In this case I think it's fine to not because the bug is pretty clear. So just for next time please 😄

Requesting changes on what I mentioned inline.

[JoshuaKGoldberg]

Great, thanks for this @lsdsjy! 🙌