chore(deps): bump @mui/material in the mui-stack group

Bumps the mui-stack group with 1 update: [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material).


Updates `@mui/material` from 9.1.1 to 9.1.2
- [Release notes](https://github.com/mui/material-ui/releases)
- [Changelog](https://github.com/mui/material-ui/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mui/material-ui/commits/v9.1.2/packages/mui-material)

---
updated-dependencies:
- dependency-name: "@mui/material"
  dependency-version: 9.1.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: mui-stack
...

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Author: dependabot[bot]