build(deps-dev): bump rxjs-compat from 6.6.3 to 6.6.6

Bumps rxjs-compat from 6.6.3 to 6.6.6.

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

yarn.lock

@@ -5741,9 +5741,9 @@ rsvp@^4.8.4:
   integrity sha512-nfMOlASu9OnRJo1mbEk2cz0D56a1MBNrJ7orjRZQG10XDyuvwksKbuXNp6qa+kbn839HwjwhBzhFmdsaEAfauA==
 
 rxjs-compat@^6.5.4:
-  version "6.6.3"
-  resolved "https://registry.yarnpkg.com/rxjs-compat/-/rxjs-compat-6.6.3.tgz#141405fcee11f48718d428b99c8f01826f594e5c"
-  integrity sha512-y+wUqq7bS2dG+7rH2fNMoxsDiJ32RQzFxZQE/JdtpnmEZmwLQrb1tCiItyHxdXJHXjmHnnzFscn3b6PEmORGKw==
+  version "6.6.6"
+  resolved "https://registry.yarnpkg.com/rxjs-compat/-/rxjs-compat-6.6.6.tgz#5fc76a1ff1e6a3f3c5c773826b2ae1deea51da80"
+  integrity sha512-P6JOpjCYUBdXLMktko0a6JHltGaktFJA2W3DWDIjc+I9x9IwRQprOrHQf/fIykY3wAaSbbZIt6GASGMVC1mGfQ==
 
 rxjs@^6.5.0, rxjs@^6.5.4:
   version "6.6.6"