Update generate_postman_collection.yml

Author: Eclairemoy

.github/workflows/generate_postman_collection.yml

@@ -14,7 +14,7 @@ jobs:
           fetch-depth: 2
       - uses: actions/setup-node@v3
         with:
-          node-version: "14"
+          node-version: "20"
       - name: "Create env file"
         run: |
           touch .env