fix(deps): update material-ui monorepo to v7

Author: renovate[bot]

packages/frontend/web-ui/package.json

@@ -26,8 +26,8 @@
     "@cornie-js/frontend-common": "workspace:*",
     "@emotion/react": "11.14.0",
     "@emotion/styled": "11.14.0",
-    "@mui/icons-material": "6.4.9",
-    "@mui/material": "6.4.9",
+    "@mui/icons-material": "7.0.0",
+    "@mui/material": "7.0.0",
     "@reduxjs/toolkit": "2.6.1",
     "async-mutex": "0.5.0",
     "react": "19.0.0",