fix(r2_custom_domain): update path placeholders to de-duplicate internal values (#2506)

Author: stainless-app[bot]

.stats.yml

@@ -1,2 +1,2 @@
-configured_endpoints: 1571
+configured_endpoints: 1574
 openapi_spec_url: https://storage.googleapis.com/stainless-sdk-openapi-specs/cloudflare%2Fcloudflare-49794d21f9c5b1d528a53fc9c10d5d9de6eed9bd412a262d1cad78fa453be1b4.yml

api.md

@@ -4693,13 +4693,22 @@ Methods:
 Types:
 
 ```python
-from cloudflare.types.r2.buckets.domains import CustomCreateResponse, CustomListResponse
+from cloudflare.types.r2.buckets.domains import (
+    CustomCreateResponse,
+    CustomUpdateResponse,
+    CustomListResponse,
+    CustomDeleteResponse,
+    CustomGetResponse,
+)
 ```
 
 Methods:
 
 - <code title="post /accounts/{account_id}/r2/buckets/{bucket_name}/domains/custom">client.r2.buckets.domains.custom.<a href="./src/cloudflare/resources/r2/buckets/domains/custom.py">create</a>(bucket_name, \*, account_id, \*\*<a href="src/cloudflare/types/r2/buckets/domains/custom_create_params.py">params</a>) -> <a href="./src/cloudflare/types/r2/buckets/domains/custom_create_response.py">CustomCreateResponse</a></code>
+- <code title="put /accounts/{account_id}/r2/buckets/{bucket_name}/domains/custom/{domain}">client.r2.buckets.domains.custom.<a href="./src/cloudflare/resources/r2/buckets/domains/custom.py">update</a>(domain, \*, account_id, bucket_name, \*\*<a href="src/cloudflare/types/r2/buckets/domains/custom_update_params.py">params</a>) -> <a href="./src/cloudflare/types/r2/buckets/domains/custom_update_response.py">CustomUpdateResponse</a></code>
 - <code title="get /accounts/{account_id}/r2/buckets/{bucket_name}/domains/custom">client.r2.buckets.domains.custom.<a href="./src/cloudflare/resources/r2/buckets/domains/custom.py">list</a>(bucket_name, \*, account_id) -> <a href="./src/cloudflare/types/r2/buckets/domains/custom_list_response.py">CustomListResponse</a></code>
+- <code title="delete /accounts/{account_id}/r2/buckets/{bucket_name}/domains/custom/{domain}">client.r2.buckets.domains.custom.<a href="./src/cloudflare/resources/r2/buckets/domains/custom.py">delete</a>(domain, \*, account_id, bucket_name) -> <a href="./src/cloudflare/types/r2/buckets/domains/custom_delete_response.py">CustomDeleteResponse</a></code>
+- <code title="get /accounts/{account_id}/r2/buckets/{bucket_name}/domains/custom/{domain}">client.r2.buckets.domains.custom.<a href="./src/cloudflare/resources/r2/buckets/domains/custom.py">get</a>(domain, \*, account_id, bucket_name) -> <a href="./src/cloudflare/types/r2/buckets/domains/custom_get_response.py">CustomGetResponse</a></code>
 
 #### Managed