build(deps): bump @mui/material from 5.15.20 to 5.16.5

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 5.15.20 to 5.16.5.
- [Release notes](https://github.com/mui/material-ui/releases)
- [Changelog](https://github.com/mui/material-ui/blob/v5.16.5/CHANGELOG.md)
- [Commits](https://github.com/mui/material-ui/commits/v5.16.5/packages/mui-material)

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

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

package.json

@@ -13,7 +13,7 @@
     "@emotion/react": "^11.11.4",
     "@mui/icons-material": "^5.15.20",
     "@mui/lab": "=5.0.0-alpha.170",
-    "@mui/material": "^5.15.20",
+    "@mui/material": "^5.16.5",
     "@mui/system": "^5.15.20",
     "@newrelic/next": "^0.9.0",
     "@stripe/stripe-js": "^4.0.0",