fix(package): update @angular/animations to version 5.1.2

Closes #12

Author: greenkeeper[bot]

package.json

@@ -14,7 +14,7 @@
     "ngh": "ngh --repo=https://[email protected]/nglibrary/ngx-choosy-documentation.git"
   },
   "dependencies": {
-    "@angular/animations": "^4.0.0",
+    "@angular/animations": "^5.1.2",
     "@angular/common": "^4.0.0",
     "@angular/compiler": "^4.0.0",
     "@angular/core": "^4.0.0",