regression from 95c6276d dockerutils.py TypeError: 'Version' object is not subscriptable

[dapplegatecp]

Bug summary

    my_flow.deploy(
        name="my-flow",
        work_pool_name="my_docker_pool",
        parameters=None,
        image="myname/myflow:latest",
        push=False
    )

This builds a docker image locally, but the client throws

  File "/home/dapplegate/git/root-sandboxes/.venv/lib/python3.12/site-packages/prefect/deployments/runner.py", line 917, in deploy
    image.build()
  File "/home/dapplegate/git/root-sandboxes/.venv/lib/python3.12/site-packages/prefect/docker/docker_image.py", line 69, in build
    with generate_default_dockerfile():
  File "/usr/lib/python3.12/contextlib.py", line 137, in __enter__
    return next(self.gen)
           ^^^^^^^^^^^^^^
  File "/home/dapplegate/git/root-sandboxes/.venv/lib/python3.12/site-packages/prefect/utilities/dockerutils.py", line 584, in generate_default_dockerfile
    base_image = get_prefect_image_name()
                 ^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/dapplegate/git/root-sandboxes/.venv/lib/python3.12/site-packages/prefect/utilities/dockerutils.py", line 62, in get_prefect_image_name
    parsed_version[0]
    ~~~~~~~~~~~~~~^^^
TypeError: 'Version' object is not subscriptable

Version info (prefect version output)

Version:             3.0.6
API version:         0.8.4
Python version:      3.12.3
Git commit:          aa5171d6
Built:               Wed, Oct 9, 2024 2:11 PM
OS/Arch:             linux/x86_64
Profile:             default
Server type:         server
Pydantic version:    2.9.2
Integrations:
  prefect-gitlab:    0.3.0
  prefect-docker:    0.6.1

Additional context

#15624

[zzstoatzz]

thank you for the report @dapplegatecp - the PR linked above should fix this. we will get a release out as soon as we can