Replace dependency @material-ui/core with @mui/material

Author: renovate[bot]

package.json

@@ -181,7 +181,7 @@
     "@fortawesome/fontawesome-free": "5.14.0",
     "@gitbeaker/browser": "23.2.0",
     "@hot-loader/react-dom": "16.13.0",
-    "@material-ui/core": "4.11.0",
+    "@mui/material": "5.0.0",
     "@material-ui/icons": "4.9.1",
     "byline": "5.0.0",
     "classnames": "2.2.6",