Bump setup-node action (#193)

Author: Matt Donnelly

.github/workflows/generate_postman_collection.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: 2
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
           node-version: "20"
       - name: "Create env file"

.github/workflows/ts-sdk.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v3
 
       - name: Setup node
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
 
       - name: Download Fern
         run: npm install -g fern-api