devDeps: npm dev dependencies

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
express (source)	4.21.0 -> 4.21.1
memfs	4.12.0 -> 4.13.0

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Warning

Some dependencies could not be looked up. Check the Dependency Dashboard for more information.

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Release Notes

expressjs/express (express)

v4.21.1

Compare Source

streamich/memfs (memfs)

v4.13.0

Compare Source

Features

• implement lutimes (#​1066) (a1772b2)

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