support defining custom tag

[askvinni]

Feel free to ping me on slack for a longer explanation of why we need this in the data platform.

Type of Change

• Bugfix
• Enhancement / new feature
• Refactoring
• Documentation

Description

This PR adds support for an input docker-custom-tag, which allows the user to override the tag set by the workflow. This is useful in i.e. a monorepo case where users might want to release only parts of the project by tagging it with prefix/version.

Checklist

• Write tests
• Make sure all tests pass
• Update documentation
• Review the Contributing Guideline and sign CLA
• Reference relevant issue(s) and close them after merging

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[askvinni]

I have read the CLA Document and I hereby sign the CLA

[askvinni]

recheck