fix(deps): replace all dependencies

plugins/catalog-backend-module-gitea/package.json

@@ -26,8 +26,8 @@
     "@backstage/core-components": "^0.14.0",
     "@backstage/core-plugin-api": "^1.0.3",
     "@backstage/theme": "^0.5.0",
-    "@material-ui/core": "^4.9.13",
-    "@material-ui/icons": "^4.9.1",
+    "@mui/material": "^5.0.0",
+    "@mui/icons-material": "^5.0.0",
     "@material-ui/lab": "4.0.0-alpha.61",
     "react-use": "^17.2.4"
   },