fix(deps): replace dependency @material-ui/icons with @mui/icons-material

Author: renovate-coveo[bot]

.github/package.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "@coveo/headless": "1.32.0",
     "@material-ui/core": "4.11.0",
-    "@material-ui/icons": "4.11.2",
+    "@mui/icons-material": "5.0.0",
     "@material-ui/lab": "4.0.0-alpha.56",
     "cross-fetch": "3.0.5",
     "react": "^16.12.0",