Update material-ui monorepo to v6.4.7 (#2631)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

examples/material-ui/package.json

@@ -9,8 +9,8 @@
   "dependencies": {
     "@emotion/react": "11.14.0",
     "@emotion/styled": "11.14.0",
-    "@mui/material": "6.4.6",
-    "@mui/styles": "6.4.6",
+    "@mui/material": "6.4.7",
+    "@mui/styles": "6.4.7",
     "@tanem/react-nprogress": "latest",
     "@types/jest": "29.5.14",
     "@types/node": "22.13.9",