fix: rename pay groups endpoint (#400)

Author: stainless-app[bot]

.stats.yml

@@ -1,2 +1,2 @@
 configured_endpoints: 37
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/finch-f1001da4ad3c1503330eebc1e61319a1a5db5e2da9fec98bc8682cb0967894d2.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/finch-4e739f38d47eaea407bcc974cd10c25aad8062a965ebb37dd37014135744cbb9.yml

api.md

@@ -364,5 +364,5 @@ from finch.types.payroll import PayGroupRetrieveResponse, PayGroupListResponse
 
 Methods:
 
-- <code title="get /employer/pay-group/{pay_group_id}">client.payroll.pay_groups.<a href="./src/finch/resources/payroll/pay_groups.py">retrieve</a>(pay_group_id) -> <a href="./src/finch/types/payroll/pay_group_retrieve_response.py">PayGroupRetrieveResponse</a></code>
+- <code title="get /employer/pay-groups/{pay_group_id}">client.payroll.pay_groups.<a href="./src/finch/resources/payroll/pay_groups.py">retrieve</a>(pay_group_id) -> <a href="./src/finch/types/payroll/pay_group_retrieve_response.py">PayGroupRetrieveResponse</a></code>
 - <code title="get /employer/pay-groups">client.payroll.pay_groups.<a href="./src/finch/resources/payroll/pay_groups.py">list</a>(\*\*<a href="src/finch/types/payroll/pay_group_list_params.py">params</a>) -> <a href="./src/finch/types/payroll/pay_group_list_response.py">SyncSinglePage[PayGroupListResponse]</a></code>

src/finch/resources/payroll/pay_groups.py

@@ -59,7 +59,7 @@ def retrieve(
         if not pay_group_id:
             raise ValueError(f"Expected a non-empty value for `pay_group_id` but received {pay_group_id!r}")
         return self._get(
-            f"/employer/pay-group/{pay_group_id}",
+            f"/employer/pay-groups/{pay_group_id}",
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
             ),
@@ -145,7 +145,7 @@ async def retrieve(
         if not pay_group_id:
             raise ValueError(f"Expected a non-empty value for `pay_group_id` but received {pay_group_id!r}")
         return await self._get(
-            f"/employer/pay-group/{pay_group_id}",
+            f"/employer/pay-groups/{pay_group_id}",
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
             ),