refactor(api): consistently rename user_agent parameter to user_agent_package in Gradient and AsyncGradient classes for clarity

Author: bnarasimha21

src/gradient/_base_client.py

@@ -837,7 +837,7 @@ def __init__(
         custom_headers: Mapping[str, str] | None = None,
         custom_query: Mapping[str, object] | None = None,
         _strict_response_validation: bool,
-        user_agent: str | None = None,
+        user_agent_package: str | None = None,
         user_agent_version: str | None = None,
     ) -> None:
         if not is_given(timeout):
@@ -1371,7 +1371,7 @@ def __init__(
         http_client: httpx.AsyncClient | None = None,
         custom_headers: Mapping[str, str] | None = None,
         custom_query: Mapping[str, object] | None = None,
-        user_agent: str | None = None,
+        user_agent_package: str | None = None,
         user_agent_version: str | None = None,
     ) -> None:
         if not is_given(timeout):

src/gradient/_client.py

@@ -299,7 +299,7 @@ def copy(
         set_default_headers: Mapping[str, str] | None = None,
         default_query: Mapping[str, object] | None = None,
         set_default_query: Mapping[str, object] | None = None,
-        user_agent: str | None = None,
+        user_agent_package: str | None = None,
         user_agent_version: str | None = None,
         _extra_kwargs: Mapping[str, Any] = {},
     ) -> Self:
@@ -337,7 +337,7 @@ def copy(
             max_retries=max_retries if is_given(max_retries) else self.max_retries,
             default_headers=headers,
             default_query=params,
-            user_agent=user_agent or self._user_agent_name,
+            user_agent_package=user_agent_package or self._user_agent_package,
             user_agent_version=user_agent_version or self._user_agent_version,
             **_extra_kwargs,
         )
@@ -612,7 +612,7 @@ def copy(
         set_default_headers: Mapping[str, str] | None = None,
         default_query: Mapping[str, object] | None = None,
         set_default_query: Mapping[str, object] | None = None,
-        user_agent: str | None = None,
+        user_agent_package: str | None = None,
         user_agent_version: str | None = None,
         _extra_kwargs: Mapping[str, Any] = {},
     ) -> Self:
@@ -650,7 +650,7 @@ def copy(
             max_retries=max_retries if is_given(max_retries) else self.max_retries,
             default_headers=headers,
             default_query=params,
-            user_agent=user_agent or self._user_agent_name,
+            user_agent_package=user_agent_package or self._user_agent_package,
             user_agent_version=user_agent_version or self._user_agent_version,
             **_extra_kwargs,
         )