Updates prefect.docker to prefect.utilities.dockerutils

[desertaxle]

Updates deprecated prefect.docker import to prefect.ulitiles.dockerutils.

Closes PrefectHQ/prefect#10070

Example

Screenshots

Checklist

• References any related issue by including "Closes #" or "Closes ".
  • If no issue exists and your change is not a small fix, please create an issue first.
• Includes tests or only affects documentation.
• Passes pre-commit checks.
  • Run pre-commit install && pre-commit run --all locally for formatting and linting.
• Includes screenshots of documentation updates.
  • Run mkdocs serve view documentation locally.
• Summarizes PR's changes in CHANGELOG.md

[desertaxle]

Windows tests are failing due to PrefectHQ/prefect#10054