fix(deps): update nextjs monorepo to v15.4.0-canary.48

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
eslint-config-next (source)	15.4.0-canary.47 -> 15.4.0-canary.48
next (source)	15.4.0-canary.47 -> 15.4.0-canary.48

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Release Notes

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

v15.4.0-canary.48

Compare Source

Core Changes

• Model prerender store as separate server and client scopes: #​79429
• Use metadata for cache entry status code: #​79512

Misc Changes

• build: Update swc_core to v26.0.1 and styled-jsx: #​79464
• fix(next-swc): Fix react compiler usefulness detector: #​79479
• fix(test/e2e): Increase timeout of flaky basepath test: #​79481
• Docs IA 2.0: Reorder PPR page and fix some nits: #​79282
• Docs: Align with react docs server functions: #​79442
• Turbopack Build: Fix _error loading test: #​79455
• Turbopack Build: Fix dynamic-missing-gsp test: #​79472
• Turbopack: remove unused ModuleWithDirection from Node runtime: #​79458
• Turbopack Build: Fix next/font test: #​79502
• perf(turbopack): Use sourcemap with perf patches: #​79501
• [turbopack] Fix a buggy serializer: #​79520
• chore(turbopack): Remove unused macro definition: #​79521

Credits

Huge thanks to @​kdy1, @​gnoff, @​bgw, @​delbaoliveira, @​icyJoseph, @​timneutkens, @​mischnic, @​ijjk, and @​lukesandberg for helping!

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