fix(package): update @angular/cdk to version 6.1.0

Author: greenkeeper[bot]

package.json

@@ -33,7 +33,7 @@
   },
   "dependencies": {
     "@angular/animations": "6.0.2",
-    "@angular/cdk": "6.0.2",
+    "@angular/cdk": "6.1.0",
     "@angular/common": "6.0.2",
     "@angular/core": "6.0.2",
     "@angular/material": "6.0.2"