Update dependency eslint-plugin-jest to v23.20.0

Author: renovate-bot

package.json

@@ -64,7 +64,7 @@
     "copyfiles": "2.2.0",
     "eslint": "6.8.0",
     "eslint-config-prettier": "6.11.0",
-    "eslint-plugin-jest": "23.11.0",
+    "eslint-plugin-jest": "23.20.0",
     "eslint-plugin-prettier": "3.1.3",
     "eslint-plugin-promise": "4.2.1",
     "eslint-plugin-react": "7.19.0",