deps: bump @mui/material from 6.1.2 to 6.1.6

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 6.1.2 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

@@ -22,7 +22,7 @@
     "@emotion/styled": "^11.13.0",
     "@heroicons/react": "^2.1.5",
     "@lottiefiles/react-lottie-player": "^3.5.4",
-    "@mui/material": "^6.1.2",
+    "@mui/material": "^6.1.6",
     "@tauri-apps/api": "^2.0.2",
     "@tauri-apps/plugin-fs": "~2.0.0",
     "@tauri-apps/plugin-shell": "~2.0.0",