fix(deps): update dependency rxjs-compat to v6.6.0

Author: renovate-bot

package-lock.json

@@ -38,7 +38,7 @@
     "nodemon": "2.0.4",
     "prismjs": "1.19.0",
     "rxjs": "6.5.5",
-    "rxjs-compat": "6.5.5",
+    "rxjs-compat": "6.6.0",
     "tslib": "2.0.0",
     "zone.js": "0.10.3"
   },