Update dependency eslint-plugin-jest to v22.21.0

Author: renovate-bot

package.json

@@ -43,7 +43,7 @@
     "eslint-config-prettier": "6.3.0",
     "eslint-config-standard": "14.1.0",
     "eslint-plugin-import": "2.18.2",
-    "eslint-plugin-jest": "22.17.0",
+    "eslint-plugin-jest": "22.21.0",
     "eslint-plugin-node": "10.0.0",
     "eslint-plugin-prettier": "3.1.1",
     "eslint-plugin-promise": "4.2.1",