The label "titled" is impossible to rename

[yegor256]

I would like to have an ability to use my own label. I don't like "titled" but prefer "ai-title". Let's make it possible to configure it in the YAML of the plugin.

[github-actions]

🤖 I've analyzed this issue title and have a suggestion for improvement:

Current title: The label "titled" is impossible to rename
Suggested title: "Make 'titled' label configurable in plugin YAML"