fix(deps): update dependency @mui/material to v9.1.2 (#450)

This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [@mui/material](https://mui.com/material-ui/) ([source](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material)) | [`9.1.1` → `9.1.2`](https://renovatebot.com/diffs/npm/@mui%2fmaterial/9.1.1/9.1.2) | ![age](https://developer.mend.io/api/mc/badges/age/npm/@mui%2fmaterial/9.1.2?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/npm/@mui%2fmaterial/9.1.1/9.1.2?slim=true) |

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### Release Notes

<details>
<summary>mui/material-ui (@&#8203;mui/material)</summary>

### [`v9.1.2`](https://github.com/mui/material-ui/blob/HEAD/CHANGELOG.md#912)

[Compare Source](https://github.com/mui/material-ui/compare/v9.1.1...v9.1.2)

<!-- generated comparing v9.1.1..master -->

*Jun 23, 2026*

A big thanks to the 5 contributors who made this release possible.

##### `@mui/material@9.1.2`

- \[autocomplete] Don't submit forms when committing `freeSolo` value with Enter key ([#&#8203;48679](https://github.com/mui/material-ui/issues/48679)) [@&#8203;mj12albert](https://github.com/mj12albert)
- \[transitions] Fix RTG import in ESM ([#&#8203;48645](https://github.com/mui/material-ui/issues/48645)) [@&#8203;mj12albert](https://github.com/mj12albert)

##### `@mui/system@9.1.2`

- \[InitColorSchemeScript] Fix script tag warning in Next.js 16 dev mode ([#&#8203;48671](https://github.com/mui/material-ui/issues/48671)) [@&#8203;siriwatknp](https://github.com/siriwatknp)

##### Docs

- Fix typos in release instructions ([#&#8203;48687](https://github.com/mui/material-ui/issues/48687)) [@&#8203;brijeshb42](https://github.com/brijeshb42)
- Update [@&#8203;mui/x-](https://github.com/mui/x-)\* packages to latest ([#&#8203;48661](https://github.com/mui/material-ui/issues/48661)) [@&#8203;Janpot](https://github.com/Janpot)

##### Core

- \[code-infra] Convert leaf [@&#8203;mui/system](https://github.com/mui/system) .js+.d.ts pairs to TypeScript (part 1) ([#&#8203;48578](https://github.com/mui/material-ui/issues/48578)) [@&#8203;Janpot](https://github.com/Janpot)
- \[code-infra] Bump to latest code-infra packages ([#&#8203;48672](https://github.com/mui/material-ui/issues/48672)) [@&#8203;brijeshb42](https://github.com/brijeshb42)
- \[code-infra] Resolve remaining minimatch advisory ([#&#8203;48662](https://github.com/mui/material-ui/issues/48662)) [@&#8203;Janpot](https://github.com/Janpot)
- \[code-infra] Bump nx to resolve minimatch advisory ([#&#8203;48658](https://github.com/mui/material-ui/issues/48658)) [@&#8203;Janpot](https://github.com/Janpot)
- \[core] Drop @&#8203;babel/\* pnpm overrides ([#&#8203;48710](https://github.com/mui/material-ui/issues/48710)) [@&#8203;Janpot](https://github.com/Janpot)
- \[docs-infra] Revert "Pin StackBlitz demo vite to v7 and plugin-react to v5" ([#&#8203;48709](https://github.com/mui/material-ui/issues/48709)) [@&#8203;Janpot](https://github.com/Janpot)
- \[docs-infra] Fix code-block copy button broken on direct page load ([#&#8203;48653](https://github.com/mui/material-ui/issues/48653)) [@&#8203;brijeshb42](https://github.com/brijeshb42)
- \[test] Stabilize Data Grid demo data in Argos screenshots ([#&#8203;48654](https://github.com/mui/material-ui/issues/48654)) [@&#8203;LukasTy](https://github.com/LukasTy)

All contributors of this release in alphabetical order: [@&#8203;brijeshb42](https://github.com/brijeshb42), [@&#8203;Janpot](https://github.com/Janpot), [@&#8203;LukasTy](https://github.com/LukasTy), [@&#8203;mj12albert](https://github.com/mj12albert), [@&#8203;siriwatknp](https://github.com/siriwatknp)

</details>

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---------

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Reviewed-on: https://gitea.com/gitea/docs/pulls/450
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Renovate Bot <renovate-bot@gitea.com>

package.json

@@ -24,7 +24,7 @@
     "@emotion/react": "11.14.0",
     "@emotion/styled": "11.14.1",
     "@mdx-js/react": "3.1.1",
-    "@mui/material": "9.1.1",
+    "@mui/material": "9.1.2",
     "clsx": "2.1.1",
     "docusaurus-plugin-plausible": "0.0.5",
     "prism-react-renderer": "2.4.1",