chore(package): update eslint-plugin-jsdoc to version 20.3.1 (#34)

Closes #31

Co-authored-by: greenkeeper[bot] <23040076+greenkeeper[bot]@users.noreply.github.com>

Author: shazron

package.json

@@ -38,7 +38,7 @@
     "eslint-config-standard": "^14.1.0",
     "eslint-plugin-import": "^2.18.2",
     "eslint-plugin-jest": "^23.0.3",
-    "eslint-plugin-jsdoc": "^18.1.0",
+    "eslint-plugin-jsdoc": "^20.3.1",
     "eslint-plugin-node": "^11.0.0",
     "eslint-plugin-promise": "^4.2.1",
     "eslint-plugin-standard": "^4.0.1",