feat(subscription): apply enums for rate_plan.id (#2421)

.stats.yml

@@ -1,2 +1,2 @@
 configured_endpoints: 1525
-openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cloudflare%2Fcloudflare-7d3d9376efe25aacad78ef5293b32f9e7bd403951e846671affe19b882a0af32.yml
+openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cloudflare%2Fcloudflare-e342173dad9584a0439eeec0f609a40c16844e18a138f65e8c9787885da92013.yml

src/cloudflare/types/shared/rate_plan.py

@@ -1,14 +1,28 @@
 # File generated from our OpenAPI spec by Stainless. See CONTRIBUTING.md for details.
 
 from typing import List, Optional
+from typing_extensions import Literal
 
 from ..._models import BaseModel
 
 __all__ = ["RatePlan"]
 
 
 class RatePlan(BaseModel):
-    id: Optional[str] = None
+    id: Optional[
+        Literal[
+            "free",
+            "lite",
+            "pro",
+            "pro_plus",
+            "business",
+            "enterprise",
+            "partners_free",
+            "partners_pro",
+            "partners_business",
+            "partners_enterprise",
+        ]
+    ] = None
     """The ID of the rate plan."""
 
     currency: Optional[str] = None

src/cloudflare/types/shared_params/rate_plan.py

@@ -3,13 +3,24 @@
 from __future__ import annotations
 
 from typing import List
-from typing_extensions import TypedDict
+from typing_extensions import Literal, TypedDict
 
 __all__ = ["RatePlan"]
 
 
 class RatePlan(TypedDict, total=False):
-    id: str
+    id: Literal[
+        "free",
+        "lite",
+        "pro",
+        "pro_plus",
+        "business",
+        "enterprise",
+        "partners_free",
+        "partners_pro",
+        "partners_business",
+        "partners_enterprise",
+    ]
     """The ID of the rate plan."""
 
     currency: str