Update dependency rxjs to v6.2.1 (#149)

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
         "@angular/router": "6.0.4",
         "@angular/upgrade": "6.0.4",
         "@ngrx/store": "6.0.1",
-        "rxjs": "6.2.0",
+        "rxjs": "6.2.1",
         "zone.js": "0.8.26"
     },
     "devDependencies": {

yarn.lock

@@ -1455,9 +1455,9 @@ [email protected]:
   version "2.3.24"
   resolved "https://registry.yarnpkg.com/rx/-/rx-2.3.24.tgz#14f950a4217d7e35daa71bbcbe58eff68ea4b2b7"
 
-[email protected].0:
-  version "6.2.0"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.2.0.tgz#e024d0e180b72756a83c2aaea8f25423751ba978"
+[email protected].1:
+  version "6.2.1"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.2.1.tgz#246cebec189a6cbc143a3ef9f62d6f4c91813ca1"
   dependencies:
     tslib "^1.9.0"