fix(deps): update material-ui monorepo

Author: renovate[bot]

packages/frontend/package.json

@@ -6,9 +6,9 @@
     "@emotion/react": "^11.11.1",
     "@emotion/styled": "^11.11.0",
     "@juggle/resize-observer": "3.4.0",
-    "@mui/material": "^5.13.6",
-    "@mui/styles": "^5.13.2",
-    "@mui/x-tree-view": "^6.17.0",
+    "@mui/material": "^7.0.0",
+    "@mui/styles": "^6.0.0",
+    "@mui/x-tree-view": "^8.0.0",
     "@react-three/drei": "10.7.5",
     "@react-three/fiber": "8.18.0",
     "drei": "2.2.21",