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": "7.5.7"
   },
   "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 "7.5.7"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.5.7.tgz#2ec0d57fdc89ece220d2e702730ae8f1e49def39"
+  integrity sha512-z9MzKh/UcOqB3i20H6rtrlaE/CgjLOvheWK/9ILrbhROGTweAi1BaFsTT9FbwZi5Trr1qNRs+MXkhmR06awzQA==
+  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==
@@ -5227,6 +5234,11 @@ 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 "2.4.0"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.4.0.tgz#7cecaa7f073ce680a05847aa77be941098f36dc3"
+  integrity sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==
+
 tsutils@^3.17.1:
   version "3.17.1"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.17.1.tgz#ed719917f11ca0dee586272b2ac49e015a2dd759"