POC: Use bot to remind of setting labels

[viccuad]

Turtles uses a bot that posts comments reminding to add topic labels ("missing an area label"). The bot comments get automatically deleted once the labels are set.

https://github.com/rancher/turtles/blob/main/.github/workflows/ensure-issues-labels-desc.yaml
https://github.com/rancher/turtles/blob/main/.github/workflows/ensure-pr-labels.yaml

Acceptance criteria

Provide a POC using the bot and a list of labels for the kubewarden-controller repo.