Correct Python Quickstart link

Author: traveldwindling

articles/key-vault/secrets/index.yml

@@ -43,7 +43,7 @@ landingContent:
           - text: Portal
             url: quick-create-portal.md
           - text: Python
-            url: quick-create-net.md
+            url: quick-create-python.md
           - text: Go
             url: quick-create-go.md
           - text: Node.js