Update dependency semantic-ui-react to v2

Author: renovate[bot]

package-lock.json

@@ -15,7 +15,7 @@
     "redux": "^4.0.1",
     "redux-thunk": "^2.3.0",
     "semantic-ui-css": "^2.4.1",
-    "semantic-ui-react": "^0.86.0"
+    "semantic-ui-react": "^2.0.0"
   },
   "scripts": {
     "start": "react-scripts start",