Update dependency eslint-plugin-react to ^7.21.2

Signed-off-by: Renovate Bot <[email protected]>

Author: renovate-bot

package-lock.json

@@ -52,7 +52,7 @@
     "eslint-loader": "^2.2.1",
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-jsx-a11y": "^6.3.1",
-    "eslint-plugin-react": "^7.21.1",
+    "eslint-plugin-react": "^7.21.2",
     "prop-types": "^15.7.2",
     "webpack-cli": "^3.3.12"
   },