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

Author: renovate[bot]

package.json

@@ -21,9 +21,9 @@
     "@graasp/apps-query-client": "3.4.15",
     "@graasp/sdk": "4.14.1",
     "@graasp/ui": "4.19.3",
-    "@mui/icons-material": "5.15.20",
-    "@mui/lab": "5.0.0-alpha.170",
-    "@mui/material": "5.15.20",
+    "@mui/icons-material": "5.15.21",
+    "@mui/lab": "5.0.0-alpha.175",
+    "@mui/material": "5.15.21",
     "@sentry/react": "~8.36.0",
     "@tanstack/react-query": "4.36.1",
     "@uppy/core": "3.13.0",