fix(deps): update dependency rxjs to v7

package.json

@@ -30,7 +30,7 @@
     "querystring": "0.2.1",
     "reflect-metadata": "0.1.13",
     "rimraf": "3.0.2",
-    "rxjs": "6.6.7"
+    "rxjs": "7.3.0"
   },
   "devDependencies": {
     "@nestjs/testing": "6.11.11",

yarn.lock

@@ -4527,7 +4527,14 @@ run-async@^2.4.0:
   resolved "https://registry.yarnpkg.com/run-async/-/run-async-2.4.1.tgz#8440eccf99ea3e70bd409d49aab88e10c189a455"
   integrity sha512-tvVnVv01b8c1RrA6Ep7JkStj85Guv/YrMcwqYQnwjsAS2cTmmPGBBjAjpCW7RrSodNSoE2/qg9O4bceNvUuDgQ==
 
-[email protected], rxjs@^6.6.0:
+[email protected]:
+  version "7.3.0"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.3.0.tgz#39fe4f3461dc1e50be1475b2b85a0a88c1e938c6"
+  integrity sha512-p2yuGIg9S1epc3vrjKf6iVb3RCaAYjYskkO+jHIaV0IjOPlJop4UnodOoFb2xeNwlguqLYvGw1b1McillYb5Gw==
+  dependencies:
+    tslib "~2.1.0"
+
+rxjs@^6.6.0:
   version "6.6.7"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.7.tgz#90ac018acabf491bf65044235d5863c4dab804c9"
   integrity sha512-hTdwr+7yYNIT5n4AMYp85KA6yw2Va0FLa3Rguvbpa4W3I5xynaBZo41cM3XM+4Q6fRMj3sBYIR1VAmZMXYJvRQ==
@@ -5226,6 +5233,11 @@ tslib@^1.8.1, tslib@^1.9.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==
 
+tslib@~2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.1.0.tgz#da60860f1c2ecaa5703ab7d39bc05b6bf988b97a"
+  integrity sha512-hcVC3wYEziELGGmEEXue7D75zbwIIVUMWAVbHItGPx0ziyXxrOMQx4rQEVEV45Ut/1IotuEvwqPopzIOkDMf0A==
+
 tsutils@^3.17.1:
   version "3.17.1"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"