ci: add workflow for duplicating issues to validatorctl

[arturshadnik]

Issue

Description

Adding a workflow to duplicate issues from the plugin repo into validatorctl.

When a new issue is created which requires work in both the plugin and validatorctl repos, it should be labeled with validatorctl. A copy will be automatically made in the validatorctl repo, assigned to the same person, and added to the validator project board.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

@@          Coverage Diff          @@
##            main     #88   +/-   ##
=====================================
  Coverage   0.86%   0.86%           
=====================================
  Files          4       4           
  Lines        232     232           
=====================================
  Hits           2       2           
  Misses       230     230           

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