Bump @mui/material from 6.1.8 to 6.1.9 in /ui

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>

Author: dependabot[bot]

ui/package-lock.json

@@ -8,7 +8,7 @@
     "@docker/extension-api-client": "0.3.4",
     "@emotion/react": "11.13.5",
     "@emotion/styled": "11.13.5",
-    "@mui/material": "6.1.8",
+    "@mui/material": "6.1.9",
     "axios": "^1.7.8",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",