rxjs update

Author: SV9045

package.json

@@ -24,7 +24,7 @@
     "@angular/platform-browser-dynamic": "11.0.9",
     "@angular/router": "11.0.9",
     "@angular/service-worker": "11.0.9",
-    "rxjs": "6.6.2",
+    "rxjs": "6.6.3",
     "tslib": "^2.0.0",
     "zone.js": "0.10.3"
   },