Update dependency express to v4.21.1

[matticbot]

This PR contains the following updates:

Package	Type	Update	Change
express (source)	devDependencies	patch	4.21.0 -> 4.21.1

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Release Notes

expressjs/express (express)

v4.21.1

Compare Source

What's Changed

• Backport a fix for CVE-2024-47764 to the 4.x branch by @​joshbuker in https://github.com/expressjs/express/pull/6029
• Release: 4.21.1 by @​UlisesGascon in https://github.com/expressjs/express/pull/6031

Full Changelog: expressjs/express@4.21.0...4.21.1

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