Update @semantic-release/npm to the latest version 🚀 (#140)

* chore(package): update @semantic-release/npm to version 5.3.4

* chore(package): update lockfile yarn.lock

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
     "probot": "9.6.3"
   },
   "devDependencies": {
-    "@semantic-release/npm": "5.3.3",
+    "@semantic-release/npm": "5.3.4",
     "codecov": "3.6.0",
     "jest": "23.4.1",
     "nodemon": "1.19.4",

yarn.lock

@@ -206,10 +206,10 @@
     parse-github-url "^1.0.1"
     url-join "^4.0.0"
 
-"@semantic-release/[email protected].3":
-  version "5.3.3"
-  resolved "https://registry.yarnpkg.com/@semantic-release/npm/-/npm-5.3.3.tgz#8b92e915ec51820e8c91a7179ab4e825b0795b04"
-  integrity sha512-9UhVIri3yZzgzPO9Vcbyg4EZuCVDgR3UC+f4iOb62tRSLBGflY1oRdNpoyonIayOec0JyRzvfapiXm1Bu111og==
+"@semantic-release/[email protected].4":
+  version "5.3.4"
+  resolved "https://registry.yarnpkg.com/@semantic-release/npm/-/npm-5.3.4.tgz#2998cd9455aaedf278334d4a5b56f8e0b715919d"
+  integrity sha512-XjITNRA/oOpJ7BfHk/WaOHs1WniYBszTde/bwADjjk1Luacpxg87jbDQVVt/oA3Zlx+MelxACRIEuRiPC5gu8g==
   dependencies:
     "@semantic-release/error" "^2.2.0"
     aggregate-error "^3.0.0"