[Snyk] Upgrade bufferutil from 4.0.5 to 4.0.9

[kisuka]

Snyk has created this PR to upgrade bufferutil from 4.0.5 to 4.0.9.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 4 versions ahead of your current version.

• The recommended version was released a year ago.

Issues fixed by the recommended upgrade:

	Issue	Score	Exploit Maturity
	Prototype Pollution SNYK-JS-EXPRESS-14157151	545	No Known Exploit

Release notes

Package name: bufferutil

• 4.0.9 - 2024-12-27
  No content.
• 4.0.8 - 2023-10-15
  No content.
• 4.0.7 - 2022-10-18
  No content.
• 4.0.6 - 2022-01-02
  No content.
• 4.0.5 - 2021-10-13
  No content.

from bufferutil GitHub release notes

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• This PR was automatically created by Snyk using the credentials of a real user.
• Max score is 1000. Note that the real score may have changed since the PR was raised.

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