Update @mui/material requirement from ^5.15.5 to ^5.15.7 in /src

Updates the requirements on [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) to permit the latest version.
- [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/v5.15.7/packages/mui-material)

---
updated-dependencies:
- dependency-name: "@mui/material"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

src/package.json

@@ -10,7 +10,7 @@
         "@iobroker/adapter-react-v5": "^4.9.5",
         "@iobroker/type-detector": "^3.0.5",
         "@mui/icons-material": "^5.15.3",
-        "@mui/material": "^5.15.5",
+        "@mui/material": "^5.15.7",
         "@mui/styles": "^5.15.7",
         "@mui/x-date-pickers": "^6.19.0",
         "@sentry/browser": "^7.93.0",