chore: Update all rxjs deps to same version

packages/create/package.json

@@ -43,7 +43,7 @@
     "handlebars": "^4.7.6",
     "listr": "^0.14.3",
     "prompts": "^2.3.2",
-    "rxjs": "^6.6.3",
+    "rxjs": "^7.5.4",
     "semver": "^7.3.2",
     "tcp-port-used": "^1.0.1"
   }

packages/ui-devkit/package.json

@@ -46,7 +46,7 @@
     "chokidar": "^3.5.1",
     "fs-extra": "^10.0.0",
     "glob": "^7.1.6",
-    "rxjs": "^6.6.6"
+    "rxjs": "^7.5.4"
   },
   "devDependencies": {
     "@rollup/plugin-node-resolve": "^11.2.0",