Bump @mui/material from 6.4.12 to 7.1.2 in /src-admin

Bumps [@mui/material](https://github.com/mui/material-ui/tree/HEAD/packages/mui-material) from 6.4.12 to 7.1.2.
- [Release notes](https://github.com/mui/material-ui/releases)
- [Changelog](https://github.com/mui/material-ui/blob/v7.1.2/CHANGELOG.md)
- [Commits](https://github.com/mui/material-ui/commits/v7.1.2/packages/mui-material)

---
updated-dependencies:
- dependency-name: "@mui/material"
  dependency-version: 7.1.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src-admin/package.json

@@ -16,7 +16,7 @@
         "@module-federation/runtime": "^0.15.0",
         "@module-federation/vite": "^1.4.1",
         "@mui/icons-material": "^6.4.12",
-        "@mui/material": "^6.4.12",
+        "@mui/material": "^7.1.2",
         "@mui/x-date-pickers": "^7.29.4",
         "@types/leaflet": "^1.9.18",
         "@types/react": "^18.3.23",