Bump @mui/icons-material from 5.15.21 to 6.1.9

Bumps [@mui/icons-material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-icons-material) from 5.15.21 to 6.1.9.
- [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/v6.1.9/packages/mui-icons-material)

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

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

package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "@emotion/react": "^11.11.4",
     "@emotion/styled": "^11.13.0",
-    "@mui/icons-material": "^5.15.21",
+    "@mui/icons-material": "^6.1.9",
     "@mui/material": "^5.16.6",
     "@mui/styled-engine-sc": "^6.1.6",
     "@mui/x-date-pickers": "^7.18.0",