Bump @mui/joy from 5.0.0-beta.7 to 5.0.0-beta.12

Bumps [@mui/joy](https://github.com/mui/material-ui/tree/HEAD/packages/mui-joy) from 5.0.0-beta.7 to 5.0.0-beta.12.
- [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/HEAD/packages/mui-joy)

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

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -18,7 +18,7 @@
     "@fortawesome/fontawesome-svg-core": "^6.4.2",
     "@fortawesome/free-regular-svg-icons": "^6.4.2",
     "@fortawesome/react-fontawesome": "^0.2.0",
-    "@mui/joy": "^5.0.0-beta.7",
+    "@mui/joy": "^5.0.0-beta.12",
     "@mui/material": "^5.14.14",
     "@sentry/nextjs": "^7.74.1",
     "@supabase/supabase-js": "^2.38.3",