build(deps): bump ep_plugin_helpers from 0.5.2 to 0.5.3

Bumps [ep_plugin_helpers](https://github.com/ether/ep_plugin_helpers) from 0.5.2 to 0.5.3.
- [Commits](ether/ep_plugin_helpers@v0.5.2...v0.5.3)

---
updated-dependencies:
- dependency-name: ep_plugin_helpers
  dependency-version: 0.5.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package.json

@@ -23,7 +23,7 @@
   ],
   "dependencies": {
     "cheerio": "^1.2.0",
-    "ep_plugin_helpers": "^0.5.2",
+    "ep_plugin_helpers": "^0.5.3",
     "formidable": "^3.5.4",
     "underscore": "^1.13.8"
   },