Bug: Local Dependency Failure if no "real" hierarchy

[rawkode]

Description
When you use:

depends:
- ./a

and this lives inside:

- some/main.yaml

The dependency fails to resolve, because we assume there's some hierarchy and split the manifest name on ".", which doesn't exist for main.yaml manifests within a single level of the root.

Steps to reproduce
Step by step explanation. Please add the output of with -vvv flag enabled (be careful not to include any secrets from your config).

Expected behaviour
What the expected behaviour in your opinion.

Environment

• OS
• Version: comtrya --version

Additional information
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