pulling repository can hang execution indefinitely

[dariuszd21]

Bug Description

During pull phase if repository is private or does not exist, craft will hung forever waiting for the credentials.
It should immediately fail as there is no place for user to put the credentials in

To Reproduce

Build the source that requests you to use credentials (e.g. source from GitHub or Launchpad via https:// that is not public or does not exist).

part yaml

non-existing-part:
    # See 'snapcraft plugins'
    source: https://github.com/non-existing-user/non-existing-repo
    source-type: git
    plugin: nil

Relevant log output

2024-12-12 10:37:22.198 execute action my-part:Action(part_name='my-part', step=Step.PULL, action_type=ActionType.RUN, reason=None, project_vars=None, properties=ActionProperties(changed_files=None, changed_dirs=None))                  │
2024-12-12 10:37:22.199 Executing: git clone --recursive https://github.com/non-existing-user/non-existing-repo                                                                                                                             │
2024-12-12 10:37:22.201 :: Cloning into '/root/parts/my-part/src'...

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Thank you for reporting us your feedback!

The internal ticket has been created: https://warthogs.atlassian.net/browse/CRAFT-3805.

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