fix(deps): update dependency rxjs to v6.6.7

Author: renovate-bot

package.json

@@ -32,7 +32,7 @@
   "dependencies": {
     "@sourcegraph/extension-api-types": "^2.1.0",
     "lodash": "^4.17.10",
-    "rxjs": "6.6.3",
+    "rxjs": "6.6.7",
     "sourcegraph": "^24.0.0 || ^25.0.0 || ^25.0.0",
     "ts-key-enum": "^2.0.0"
   },

yarn.lock

@@ -7685,10 +7685,10 @@ run-queue@^1.0.0, run-queue@^1.0.3:
   dependencies:
     aproba "^1.1.1"
 
-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@6.6.7:
+  version "6.6.7"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
+  integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==
   dependencies:
     tslib "^1.9.0"