Bump @mui/material from 5.15.4 to 5.15.9

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 5.15.4 to 5.15.9.
- [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/v5.15.9/packages/mui-material)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -15,7 +15,7 @@
   "dependencies": {
     "@emotion/react": "^11.11.3",
     "@emotion/styled": "^11.11.0",
-    "@mui/material": "^5.15.4",
+    "@mui/material": "^5.15.9",
     "react": "^18.2.0",
     "react-dom": "^18.2.0"
   },