fix(package): update @angular/cdk to version 9.2.1

Closes #149

Author: greenkeeper[bot]

package.json

@@ -27,7 +27,7 @@
   "private": true,
   "dependencies": {
     "@angular/animations": "~8.2.13",
-    "@angular/cdk": "^8.2.3",
+    "@angular/cdk": "^9.2.1",
     "@angular/common": "~8.2.13",
     "@angular/compiler": "~8.2.13",
     "@angular/core": "~8.2.13",