chore(deps): update dependency rxjs to v7.3.0

Author: renovate-bot

package-lock.json

@@ -42,7 +42,7 @@
     "prettier": "2.3.2",
     "reflect-metadata": "0.1.13",
     "release-it": "14.10.1",
-    "rxjs": "7.2.0",
+    "rxjs": "7.3.0",
     "supertest": "6.1.4",
     "ts-jest": "27.0.4",
     "typeorm": "0.2.34",