deps(apps): bump the mui group with 5 updates

Bumps the mui group with 5 updates:

| Package | From | To |
| --- | --- | --- |
| [@mui/icons-material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-icons-material) | `7.3.8` | `9.4.0` |
| [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) | `7.3.8` | `9.4.0` |
| [@mui/stylis-plugin-rtl](https://github.com/mui/material-ui/tree/HEAD/packages/mui-stylis-plugin-rtl) | `7.3.8` | `9.4.0` |
| [@mui/x-date-pickers](https://github.com/mui/mui-x/tree/HEAD/packages/x-date-pickers) | `8.27.2` | `9.12.0` |
| [@mui/x-tree-view](https://github.com/mui/mui-x/tree/HEAD/packages/x-tree-view) | `8.27.2` | `9.12.0` |


Updates `@mui/icons-material` from 7.3.8 to 9.4.0
- [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/v9.4.0/packages/mui-icons-material)

Updates `@mui/material` from 7.3.8 to 9.4.0
- [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/v9.4.0/packages/mui-material)

Updates `@mui/stylis-plugin-rtl` from 7.3.8 to 9.4.0
- [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/v9.4.0/packages/mui-stylis-plugin-rtl)

Updates `@mui/x-date-pickers` from 8.27.2 to 9.12.0
- [Release notes](https://github.com/mui/mui-x/releases)
- [Changelog](https://github.com/mui/mui-x/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mui/mui-x/commits/v9.12.0/packages/x-date-pickers)

Updates `@mui/x-tree-view` from 8.27.2 to 9.12.0
- [Release notes](https://github.com/mui/mui-x/releases)
- [Changelog](https://github.com/mui/mui-x/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mui/mui-x/commits/v9.12.0/packages/x-tree-view)

---
updated-dependencies:
- dependency-name: "@mui/icons-material"
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: mui
- dependency-name: "@mui/material"
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: mui
- dependency-name: "@mui/stylis-plugin-rtl"
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: mui
- dependency-name: "@mui/x-date-pickers"
  dependency-version: 9.12.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: mui
- dependency-name: "@mui/x-tree-view"
  dependency-version: 9.12.0
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: mui
...

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Author: dependabot[bot]