fix(deps): update mui to v9 (major)

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@mui/icons-material (source)	^7.3.10 → ^9.0.0
@mui/material (source)	^7.3.10 → ^9.0.0
@mui/material-nextjs (source)	^7.3.10 → ^9.0.0

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Release Notes

mui/material-ui (@​mui/icons-material)

v9.0.0

Compare Source

Apr 7, 2026

A big thanks to the 7 contributors who made this release possible.

🥳 We're excited to announce the stable release of Material UI v9! This major release focus on accessibility improvements, sx prop performance, and cleanup of deprecated APIs.

For more details, check out the upgrade guide.

@mui/material@9.0.0

• [slider] Use pointer events instead of mouse events (#​48164) @​mj12albert
• [switch] Add border to make it visible in high contrast mode (#​48180) @​silviuaavram
• [transitions] Performance improvements & misc fixes (#​48151) @​mj12albert
• Remove unnecessary overridesResolvers from styled components (#​48204) @​sai6855

Core

• [code-infra] Setup workflow to publish internal packages (#​47952) @​brijeshb42
• [core-docs] Add x-scheduler to MuiProductId type (#​48185) @​rita-codes
• [docs-infra] Add scheduler to product switcher (#​48208) @​rita-codes
• [internal] Prepare libraries for v9 stable release (#​48206) @​siriwatknp

All contributors of this release in alphabetical order: @​brijeshb42, @​mj12albert, @​noraleonte, @​rita-codes, @​sai6855, @​silviuaavram, @​siriwatknp

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