Update material-ui monorepo to v7

Author: renovate[bot]

package-lock.json

@@ -86,8 +86,8 @@
     "@jellyfin/libass-wasm": "4.2.3",
     "@jellyfin/sdk": "0.0.0-unstable.202504100501",
     "@jellyfin/ux-web": "1.0.0",
-    "@mui/icons-material": "6.4.10",
-    "@mui/material": "6.4.10",
+    "@mui/icons-material": "7.0.1",
+    "@mui/material": "7.0.1",
     "@mui/x-date-pickers": "7.28.3",
     "@react-hook/resize-observer": "2.0.2",
     "@tanstack/react-query": "5.71.10",