chore: auto label discussions

[itaysk]

Description

automatically label "Idea" discussions based on the form category that the author selects.
if this is working for us, we can extend this action to other use cases. for example, labels based on key words, or use chatgpt.

tested here:
itaysk/testactions#55
https://github.com/itaysk/testactions/actions/runs/6327438078

itaysk/testactions#56
https://github.com/itaysk/testactions/actions/runs/6327451511

Related issues

• chore: add discussion templates #4190

Related PRs

• replaces: chore: auto label discussions #5187

Checklist

• I've read the guidelines for contributing to this repository.
• I've followed the conventions in the PR title.
• I've added tests that prove my fix is effective or that my feature works.
• I've updated the documentation with the relevant information (if needed).
• I've added usage information (if the PR introduces new options)
• I've included a "before" and "after" example to the description (if the PR is a user interface change).

[github-actions]

This PR is stale because it has been labeled with inactivity.

[github-actions]

This PR is stale because it has been labeled with inactivity.

[itaysk]

tested again after changes https://github.com/itaysk/testactions/actions/runs/9397720065/job/25881501327