fix(deps): replace dependency @material-ui/core with @mui/material 5.0.0

Author: renovate[bot]

packages/frontend/package.json

@@ -10,7 +10,7 @@
     "@devexpress/dx-react-core": "2.7.6",
     "@graphql-portal/types": "1.2.0",
     "@hookform/resolvers": "1.3.8",
-    "@material-ui/core": "4.12.4",
+    "@mui/material": "5.0.0",
     "@material-ui/icons": "4.11.3",
     "@material-ui/lab": "4.0.0-alpha.61",
     "@uiw/react-codemirror": "3.2.9",