chore(deps): bump rxjs from 6.6.3 to 6.6.6

Bumps [rxjs](https://github.com/reactivex/rxjs) from 6.6.3 to 6.6.6.
- [Release notes](https://github.com/reactivex/rxjs/releases)
- [Changelog](https://github.com/ReactiveX/rxjs/blob/6.6.6/CHANGELOG.md)
- [Commits](ReactiveX/rxjs@6.6.3...6.6.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

package.json

@@ -59,7 +59,7 @@
     "electron": "^6.0.3",
     "ffi-napi": "^2.5.0",
     "ngx-electron": "^2.1.1",
-    "rxjs": "^6.6.3",
+    "rxjs": "^6.6.6",
     "zone.js": "^0.9.1"
   },
   "devDependencies": {

yarn.lock

@@ -8203,10 +8203,10 @@ rxjs@6.4.0:
   dependencies:
     tslib "^1.9.0"
 
-rxjs@^6.4.0, rxjs@^6.5.3, rxjs@^6.6.3:
-  version "6.6.3"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.3.tgz#8ca84635c4daa900c0d3967a6ee7ac60271ee552"
-  integrity sha512-trsQc+xYYXZ3urjOiJOuCOa5N3jAZ3eiSpQB5hIT8zGlL2QfnHLJ2r7GMkBGuIausdJN1OneaI6gQlsqNHHmZQ==
+rxjs@^6.4.0, rxjs@^6.5.3, rxjs@^6.6.3, rxjs@^6.6.6:
+  version "6.6.6"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.6.tgz#14d8417aa5a07c5e633995b525e1e3c0dec03b70"
+  integrity sha512-/oTwee4N4iWzAMAL9xdGKjkEHmIwupR3oXbQjCKywF1BeFohswF3vZdogbmEF6pZkOsXTzWkrZszrWpQTByYVg==
   dependencies:
     tslib "^1.9.0"