chore: Update repository url to match npm provenence

Author: benlesh

packages/rxjs/package.json

@@ -88,7 +88,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/reactivex/rxjs.git",
+    "url": "https://github.com/ReactiveX/rxjs.git",
     "directory": "packages/rxjs"
   },
   "keywords": [