chore: update oai (#276)

Author: fern-support

.github/workflows/update-openapi.yml

@@ -14,16 +14,8 @@ jobs:
 
       - name: Fetch OpenAPI specification
         run: |
-          curl -s https://api.vapi.ai/api-json > temp-openapi.json
-      
-      - name: Verify JSON validity
-        run: |
-          cat temp-openapi.json | jq . > /dev/null
-          if [ $? -ne 0 ]; then
-            echo "Error: Invalid JSON received from API endpoint"
-            exit 1
-          fi
-          mv temp-openapi.json ./fern/apis/api/openapi.json
+          npm install -g fern-api
+          fern api update
       
       - name: Check for changes
         id: check_changes