fix(deps): update dependency @types/react-dom to v17.0.3

Author: renovate-bot

template/cra-subgraph/package.json

@@ -8,7 +8,7 @@
     "@types/jest": "26.0.21",
     "@types/node": "12.20.6",
     "@types/react": "17.0.3",
-    "@types/react-dom": "17.0.2",
+    "@types/react-dom": "17.0.3",
     "apollo-cache-inmemory": "1.6.6",
     "apollo-client": "2.6.10",
     "apollo-link": "1.2.14",