docs(serverless): clarify UpdateContainer and UpdateFunction behavior (scaleway#1204)

Co-authored-by: Laure-di <62625835+Laure-di@users.noreply.github.com>

Author: scaleway-bot

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

@@ -731,6 +731,9 @@ async def update_container(
  """
  Update an existing container.
  Update the container associated with the specified ID.
+
+ When updating a container, the container is automatically redeployed to apply the changes.
+ This behavior can be changed by setting the `redeploy` field to `false` in the request.
  :param container_id: UUID of the container 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 container.

scaleway/scaleway/container/v1beta1/api.py

@@ -727,6 +727,9 @@ def update_container(
  """
  Update an existing container.
  Update the container associated with the specified ID.
+
+ When updating a container, the container is automatically redeployed to apply the changes.
+ This behavior can be changed by setting the `redeploy` field to `false` in the request.
  :param container_id: UUID of the container 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 container.