fix: Move multipartArrayFormat to correct section in gen.yaml

Author: rwjblue-glean

.speakeasy/gen.yaml

@@ -29,7 +29,6 @@ generation:
     generateTests: true
     generateNewTests: true
     skipResponseBodyAssertions: true
-  multipartArrayFormat: standard
 python:
   version: 0.11.22
   additionalDependencies:
@@ -76,3 +75,4 @@ python:
   responseFormat: flat
   sseFlatResponse: false
   templateVersion: v2
+  multipartArrayFormat: standard