fix: removes default version in GitHub action

[jpower432]

Description

Removes default version from autosync GitHub Action. Default behavior should be to not modify the version value

Fixes #193

Type of change

• Bug fix (non-breaking change which fixes an issue)

How has this been tested?

• Validated here
  Result - jpower432/trestlebot-demo-cd@5d1fd30

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[beatrizmcouto]

Removing default version, approved