chore(deps): update dependency memfs to v4.39.0

[ibm-mend-app]

This PR contains the following updates:

Package	Change	Age	Confidence
memfs	4.38.3 -> 4.39.0

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Release Notes

streamich/memfs (memfs)

v4.39.0

Compare Source

Features

• 🎸 add scaffold for CoreFileSystemObserver implementation and restructure fsa() helper (117b7c5)
• 🎸 improve IFileSystemChangeRecord interface (868b763)
• 🎸 update IFileSystemObserver interface (d581d8c)
• 🎸 update file change record interface (ff2386c)
• 🎸 use FanOut for Link reactivity (2aec586)
• 🎸 use FanOut for Node events (95ef10a)
• 🎸 use compact form for link events (a00a1f0)

4.38.3 (2025-09-09)

Bug Fixes

• prevent readFile from updating ctime when only accessing files (f5f3066)

4.38.2 (2025-08-26)

Bug Fixes

• correct permission check logic for readonly files in copyFile operations (a06bb4d)

4.38.1 (2025-08-24)

Bug Fixes

• 🐛 use glob-to-regex library (8962374)

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