Bump @mui/material from 6.1.8 to 6.1.9 (#184)

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 6.1.8 to 6.1.9.
- [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/v6.1.9/packages/mui-material)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -49,7 +49,7 @@
     "@haleos/ra-language-german": "^1.0.0",
     "@haxqer/ra-language-chinese": "^4.16.2",
     "@mui/icons-material": "^6.1.8",
-    "@mui/material": "^6.1.8",
+    "@mui/material": "^6.1.9",
     "@mui/utils": "^5.16.6",
     "@tanstack/react-query": "^5.61.3",
     "history": "^5.3.0",