chore(deps): bump rxjs from 6.5.5 to 6.6.0

Author: dependabot-preview[bot]

yarn.lock

@@ -5234,9 +5234,9 @@ ripemd160@^2.0.0, ripemd160@^2.0.1:
     inherits "^2.0.1"
 
 rxjs@^6.3.3, rxjs@^6.5.5:
-  version "6.5.5"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.5.tgz#c5c884e3094c8cfee31bf27eb87e54ccfc87f9ec"
-  integrity sha512-WfQI+1gohdf0Dai/Bbmk5L5ItH5tYqm3ki2c5GdWhKjalzjg93N3avFjVStyZZz+A2Em+ZxKH5bNghw9UeylGQ==
+  version "6.6.0"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.0.tgz#af2901eedf02e3a83ffa7f886240ff9018bbec84"
+  integrity sha512-3HMA8z/Oz61DUHe+SdOiQyzIf4tOx5oQHmMir7IZEu6TMqCLHT4LRcmNaUS0NwOz8VLvmmBduMsoaUvMaIiqzg==
   dependencies:
     tslib "^1.9.0"