chore(deps): update dependency memfs to ^2.15.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
memfs	devDependencies	patch	^2.15.2 -> ^2.15.4	source

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Release Notes

streamich/memfs

v2.15.4

Compare Source

Bug Fixes

• 🐛 accept null as value in fromJSON functions (9e1af7d)
• 🐛 annotate return type of toJSON functions (6609840)

v2.15.3

Compare Source

Bug Fixes

• 🐛 accept null as value in fromJSON functions (9e1af7d)
• 🐛 annotate return type of toJSON functions (6609840)

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[codecov]

Codecov Report

Merging #1949 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master   #1949   +/-   ##
======================================
  Coverage    91.5%   91.5%           
======================================
  Files          18      18           
  Lines         836     836           
  Branches      263     263           
======================================
  Hits          765     765           
  Misses         68      68           
  Partials        3       3

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