fix(devdeps): update nextjs monorepo to v15.4.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
eslint-config-next (source)	15.3.5 -> 15.4.1
next (source)	15.3.5 -> 15.4.1

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Release Notes

vercel/next.js (eslint-config-next)

v15.4.1

Compare Source

v15.4.0

Compare Source

vercel/next.js (next)

v15.4.1

Compare Source

v15.4.0

Compare Source

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[changeset-bot]

🦋 Changeset detected

Latest commit: e64c2b9

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@ultraviolet/ui	Patch
@ultraviolet/form	Patch
@ultraviolet/plus	Patch

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.71%. Comparing base (e2fea6c) to head (e64c2b9).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5369   +/-   ##
=======================================
  Coverage   88.71%   88.71%           
=======================================
  Files         236      236           
  Lines        8364     8364           
  Branches     3753     3803   +50     
=======================================
  Hits         7420     7420           
  Misses        944      944           

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