Bump @mui/material from 5.13.6 to 5.13.7

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 5.13.6 to 5.13.7.
- [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/v5.13.7/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

@@ -6,7 +6,7 @@
       "@emotion/react": "^11.10.6",
       "@emotion/styled": "^11.10.6",
       "@firebase/firestore": "^3.8.4",
-      "@mui/material": "^5.13.6",
+      "@mui/material": "^5.13.7",
       "@testing-library/jest-dom": "^5.16.5",
       "@testing-library/react": "^14.0.0",
       "@testing-library/user-event": "^14.4.3",