Bump @mui/material from 6.1.5 to 6.1.6

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 6.1.5 to 6.1.6.
- [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/v6.1.6/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

@@ -20,7 +20,7 @@
     "@emotion/server": "^11.11.0",
     "@emotion/styled": "^11.13.0",
     "@mui/icons-material": "^6.1.5",
-    "@mui/material": "^6.1.1",
+    "@mui/material": "^6.1.6",
     "@mui/material-nextjs": "^6.1.2",
     "lodash": "^4.17.21",
     "next": "^14.2.14",