[ci] Added GitHub workflow to replicate commits to version branch

[pandafy]

Checklist

• I have read the OpenWISP Contributing Guidelines.
• I have manually tested the changes proposed in this pull request.
• I have written new test cases for new code and/or updated existing tests for changes to existing code.
• I have updated the documentation.

[coveralls]

coverage: 96.18%. remained the same
when pulling d9465e4 on duplicate-1.2.0
into 8ad7519 on master.

[pandafy]

I have tested the GitHub action on my fork:

• Creating a new branch from the version number
• Replicating the master branch

[nemesifier]

Is there a way to create a reusable github action so we don't need to duplicate this in each repo? That would allow us to change this for all repos from a single place.

[nemesifier]

What happens here if we ever need to push force on master?

[pandafy]

This action would fail in thi scenario. Shall I update the command to perform force-push?

[pandafy]

Is there a way to create a reusable github action so we don't need to duplicate this in each repo? That would allow us to change this for all repos from a single place.

We will need to find a way to automatically get the module name. Maybe, we can set this as an input parameter in GitHub workflow.