fix: upgrade postman-collection from 3.6.8 to 3.6.9

Snyk has created this PR to upgrade postman-collection from 3.6.8 to 3.6.9.

See this package in npm:
https://www.npmjs.com/package/postman-collection

See this project in Snyk:
https://app.snyk.io/org/postman/project/dc8fae2b-098b-4b49-b9ba-8027ea2c9804?utm_source=github&utm_medium=upgrade-pr

Author: snyk-bot

codegens/nodejs-native/package.json

@@ -27,7 +27,7 @@
   "license": "Apache-2.0",
   "homepage": "https://github.com/postmanlabs/code-generators/tree/master/codegens/nodejs-native",
   "dependencies": {
-    "postman-collection": "3.6.8"
+    "postman-collection": "3.6.9"
   },
   "devDependencies": {
     "follow-redirects": "1.13.0"