Edit docs workflow to release docs for 3.6.x

[sanchariGr]

Proposed changes:

• Tested successfully with tag 3.6.16 https://github.com/RasaHQ/rasa/actions/runs/7543003070/job/20533046087
  Note : This change will only need to remain on 3.6.x, on 3.5.x it will always fail https://github.com/RasaHQ/rasa/actions/runs/7543134913/job/20533450956

[github-actions]

🚀 A preview of the docs have been deployed at the following URL: https://12993--rasahq-docs-rasa-v2.netlify.app/docs/rasa

[m-vdb]

@sanchariGr not sure, but this workflow failed with

fatal: No names found, cannot describe anything.

Do you have an example of this script working correctly on the CI? If not, have you tried locally?

One thing I am confuse about, is that my understanding of the git describe comment is that it is not performing a fetch 🤔 but am I mistaken?

[sanchariGr]

@m-vdb I have the test results added in the PR description. The failure was with tag 3.5.18, which is expected.

git fetch fetches all the tags available in origin so it was also fetching 3.7.0 and 3.8.0a9 (see here).
git describe --tags --abbrev=0 HEAD only gets the latest tag on a branch.

[m-vdb]

ok gotcha, works for me. Something very weird is happening locally when I run the command. When I run it on main, it outputs 3.6.13, when I run it on 3.6.x, it output 3.6.15. In both cases that's different from what you have here

[sanchariGr]

Thats because this #12996 was not merged into main. So main changelog also is only updated until 3.6.13. Let me merge this and check.