fix(deps): update dependency rxjs to v7 (#456)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -38,7 +38,7 @@
     "postinstall-postinstall": "^2.0.0",
     "reflect-metadata": "^0.1.13",
     "rimraf": "^3.0.0",
-    "rxjs": "^6.5.4"
+    "rxjs": "^7.0.0"
   },
   "devDependencies": {
     "@nestjs/cli": "7.6.0",

yarn.lock

@@ -8377,20 +8377,20 @@ rxjs@6.6.7:
   dependencies:
     tslib "^1.9.0"
 
-rxjs@^6.5.4:
-  version "6.5.4"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.4.tgz#e0777fe0d184cec7872df147f303572d414e211c"
-  integrity sha512-naMQXcgEo3csAEGvw/NydRA0fuS2nDZJiw1YUWFKU7aPPAPGZEsD4Iimit96qwCieH6y614MCLYwdkrWx7z/7Q==
-  dependencies:
-    tslib "^1.9.0"
-
 rxjs@^6.6.0:
   version "6.6.2"
   resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.6.2.tgz#8096a7ac03f2cc4fe5860ef6e572810d9e01c0d2"
   integrity sha512-BHdBMVoWC2sL26w//BCu3YzKT4s2jip/WhwsGEDmeKYBhKDZeYezVUnHatYB7L85v5xs0BAQmg6BEYJEKxBabg==
   dependencies:
     tslib "^1.9.0"
 
+rxjs@^7.0.0:
+  version "7.5.4"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-7.5.4.tgz#3d6bd407e6b7ce9a123e76b1e770dc5761aa368d"
+  integrity sha512-h5M3Hk78r6wAheJF0a5YahB1yRQKCsZ4MsGdZ5O9ETbVtjPcScGfrMmoOq7EBsCRzd4BDkvDJ7ogP8Sz5tTFiQ==
+  dependencies:
+    tslib "^2.1.0"
+
 safe-buffer@5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1, safe-buffer@~5.1.2:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
@@ -9514,6 +9514,11 @@ 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 "2.3.1"
+  resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.3.1.tgz#e8a335add5ceae51aa261d32a490158ef042ef01"
+  integrity sha512-77EbyPPpMz+FRFRuAFlWMtmgUWGe9UOG2Z25NqCwiIjRhOf5iKGuzSe5P2w1laq+FkRy4p+PCuVkJSGkzTEKVw==
+
 tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"