chore(deps): update dependency rxjs to v6.5.4 (#135)

Co-authored-by: Renovate Bot <[email protected]>
Co-authored-by: Wes Grimes <[email protected]>

Author: 3 people

package-lock.json

@@ -31,7 +31,7 @@
     "jest": "24.9.0",
     "prettier": "1.19.1",
     "reflect-metadata": "0.1.13",
-    "rxjs": "6.5.3",
+    "rxjs": "6.5.4",
     "rxjs-marbles": "5.0.4",
     "semantic-release": "15.14.0",
     "supertest": "4.0.2",