build: update @types/node to version ~9.4.0 (#68)

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "@angular/compiler-cli": "^5.0.0",
     "@angular/language-service": "^5.0.0",
     "@types/jasmine": "~2.8.1",
-    "@types/node": "~9.3.0",
+    "@types/node": "~9.4.0",
     "codelyzer": "~4.1.0",
     "jasmine-core": "~2.9.0",
     "jasmine-spec-reporter": "~4.2.0",

yarn.lock

@@ -186,9 +186,9 @@
   version "6.0.90"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-6.0.90.tgz#0ed74833fa1b73dcdb9409dcb1c97ec0a8b13b02"
 
-"@types/node@~9.3.0":
-  version "9.3.0"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.3.0.tgz#3a129cda7c4e5df2409702626892cb4b96546dd5"
+"@types/node@~9.4.0":
+  version "9.4.0"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.4.0.tgz#b85a0bcf1e1cc84eb4901b7e96966aedc6f078d1"
 
 "@types/q@^0.0.32":
   version "0.0.32"