fix: use correct format for nested and array query params

Author: stainless-app[bot]

.stats.yml

@@ -1,4 +1,4 @@
 configured_endpoints: 22
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/stainless-commons%2Fstripe-minimal-d7db5d2f2f83e89d00e8529a1b6d4ed4746bd306d0e6ffba02f321b576dcc340.yml
 openapi_spec_hash: e09fbe83a958ffba517bce207e9f9dc1
-config_hash: 957cd4dc5cc7bbb0ca9a15611bb95cdc
+config_hash: 4435a4ca740728c29979cd8f628c10df

src/stainless_commons_stripe/_client.py

@@ -204,7 +204,7 @@ def with_streaming_response(self) -> StripeWithStreamedResponse:
     @property
     @override
     def qs(self) -> Querystring:
-        return Querystring(array_format="comma")
+        return Querystring(array_format="brackets")
 
     @property
     @override
@@ -457,7 +457,7 @@ def with_streaming_response(self) -> AsyncStripeWithStreamedResponse:
     @property
     @override
     def qs(self) -> Querystring:
-        return Querystring(array_format="comma")
+        return Querystring(array_format="brackets")
 
     @property
     @override