chore(package): update @semantic-release/npm to version 7.0.1

Closes #32

Author: greenkeeper[bot]

package.json

@@ -130,7 +130,7 @@
     "@semantic-release/changelog": "^3.0.2",
     "@semantic-release/git": "^7.0.8",
     "@semantic-release/github": "^5.2.10",
-    "@semantic-release/npm": "^5.1.7",
+    "@semantic-release/npm": "^7.0.1",
     "@semantic-release/release-notes-generator": "^7.1.4",
     "condition-circle": "^2.0.2",
     "cz-customizable": "^6.2.0",