docs(function): clarify UpdateContainer and UpdateFunction behavior (#1201)

Co-authored-by: Laure-di <[email protected]>

Author: scaleway-bot

scaleway-async/scaleway_async/function/v1beta1/api.py

@@ -697,6 +697,9 @@ async def update_function(
         """
         Update an existing function.
         Update the function associated with the specified ID.
+
+        When updating a function, the function is automatically redeployed to apply the changes.
+        This behavior can be changed by setting the `redeploy` field to `false` in the request.
         :param function_id: UUID of the function to update.
         :param region: Region to target. If none is passed will use default region from the config.
         :param environment_variables: Environment variables of the function to update.

scaleway/scaleway/function/v1beta1/api.py

@@ -693,6 +693,9 @@ def update_function(
         """
         Update an existing function.
         Update the function associated with the specified ID.
+
+        When updating a function, the function is automatically redeployed to apply the changes.
+        This behavior can be changed by setting the `redeploy` field to `false` in the request.
         :param function_id: UUID of the function to update.
         :param region: Region to target. If none is passed will use default region from the config.
         :param environment_variables: Environment variables of the function to update.