Allow defining deps in config file instead of deps file

[chrisbbreuer]

Clear and concise description of the problem

If the user wants/needs to use a launchpad.config.ts already, then we could allow them to define the deps there as well

Suggested solution

Allow user to not have to use a deps.yaml to define deps

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the Contributing Guide.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.