fix(deps): update mui (non-major) to v7.3.8

Author: renovate[bot]

package.json

@@ -28,9 +28,9 @@
     "@lexical/selection": "0.33.1",
     "@lexical/utils": "0.33.1",
     "@lexical/yjs": "0.33.1",
-    "@mui/icons-material": "7.3.2",
+    "@mui/icons-material": "7.3.8",
     "@mui/lab": "7.0.0-beta.17",
-    "@mui/material": "7.3.2",
+    "@mui/material": "7.3.8",
     "@sentry/react": "9.47.1",
     "@tanstack/react-query": "5.90.11",
     "@tanstack/react-router": "1.136.8",