Update dependency eslint-plugin-jest to v23.20.0

Author: renovate-bot

package.json

@@ -102,7 +102,7 @@
     "eslint-config-prettier": "6.11.0",
     "eslint-loader": "4.0.2",
     "eslint-plugin-import": "2.22.0",
-    "eslint-plugin-jest": "23.19.0",
+    "eslint-plugin-jest": "23.20.0",
     "eslint-plugin-jsx-a11y": "6.3.1",
     "eslint-plugin-prettier": "3.1.4",
     "eslint-plugin-react": "7.20.5",