chore(deps): update dependency eslint-plugin-jest to v21.20.0

Author: renovate-bot

package.json

@@ -65,7 +65,7 @@
         "eslint-import-resolver-webpack": "0.10.0",
         "eslint-plugin-flowtype": "2.47.1",
         "eslint-plugin-import": "2.12.0",
-        "eslint-plugin-jest": "21.15.2",
+        "eslint-plugin-jest": "21.20.0",
         "eslint-plugin-jsx-a11y": "6.0.3",
         "eslint-plugin-promise": "3.7.0",
         "eslint-plugin-react": "7.8.2",

yarn.lock

@@ -3079,9 +3079,9 @@ eslint-plugin-import@2.12.0:
     read-pkg-up "^2.0.0"
     resolve "^1.6.0"
 
-eslint-plugin-jest@21.15.2:
-  version "21.15.2"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-21.15.2.tgz#d55898636291d97e0c0a5dbe205bef0235157a34"
+eslint-plugin-jest@21.20.0:
+  version "21.20.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-jest/-/eslint-plugin-jest-21.20.0.tgz#2504910ed8786ee6fb5ab60486b9c2baa59acd52"
 
 eslint-plugin-jsx-a11y@6.0.3:
   version "6.0.3"