fix(deps): update mui (non-major)

Author: renovate[bot]

package.json

@@ -9,9 +9,9 @@
     "@graasp/apps-query-client": "3.4.10",
     "@graasp/sdk": "3.8.3",
     "@graasp/translations": "1.23.0",
-    "@mui/icons-material": "5.15.0",
+    "@mui/icons-material": "5.15.21",
     "@mui/material": "^5.15.0",
-    "@mui/utils": "5.15.0",
+    "@mui/utils": "5.15.20",
     "@sentry/cli": "2.39.1",
     "@sentry/react": "8.45.0",
     "@sentry/tracing": "7.70.0",