chore(deps): update dependency @metamask/auto-changelog to v4

[Gudahtt]

This PR contains the following updates:

Package	Type	Update	Change
@metamask/auto-changelog	devDependencies	major	^3.0.0 -> ^4.0.0

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Release Notes

MetaMask/auto-changelog (@​metamask/auto-changelog)

v4.0.0

Compare Source

Changed

• BREAKING: Drop support for Node.js <18.18 (#​203)
• BREAKING: Require prettier@>=3.0.0 (#​202)
  • Prettier is now a peer dependency of this package.
• BREAKING: Enable Prettier formatting by default (#​204)
  • Changelogs are now formatted with Prettier by default when using the CLI.
  • You can opt-out of this change by specifying --no-prettier.

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