fix(deps): update dependency arrify to v2 (#130)

package.json

@@ -43,13 +43,12 @@
   "author": "Stephen Sawchuk <[email protected]>",
   "license": "MIT",
   "dependencies": {
-    "arrify": "^1.0.0",
+    "arrify": "^2.0.0",
     "google-auth-library": "^3.0.0",
     "pify": "^4.0.1"
   },
   "devDependencies": {
     "@compodoc/compodoc": "^1.1.7",
-    "@types/arrify": "^1.0.4",
     "@types/mocha": "^5.2.5",
     "@types/node": "^10.5.6",
     "chai": "^4.2.0",
@@ -62,12 +61,12 @@
     "intelli-espower-loader": "^1.0.1",
     "jsdoc": "^3.5.5",
     "jsdoc-baseline": "git+https://github.com/hegemonic/jsdoc-baseline.git",
+    "linkinator": "^1.1.2",
     "mocha": "^6.0.0",
     "nyc": "^13.1.0",
     "power-assert": "^1.6.0",
     "prettier": "^1.14.0",
     "source-map-support": "^0.5.6",
-    "typescript": "~3.4.0",
-    "linkinator": "^1.1.2"
+    "typescript": "~3.4.0"
   }
 }

src/index.ts

@@ -5,7 +5,7 @@
  * See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
  */
 
-import * as arrify from 'arrify';
+import arrify = require('arrify');
 import {GoogleAuth, GoogleAuthOptions} from 'google-auth-library';
 
 export interface GCEImagesConfig extends GoogleAuthOptions {