pr-review: drop pull_request_target (auto-review on open/ready_for_review).
Manual /review via issue_comment is preserved and unaffected.
labeler: replace pull_request_target with workflow_dispatch to disable
automatic fork-PR labeling. Can be re-enabled by reverting this change.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Use the official labeler action to automatically assign labels to PRs
based on the edited files.
Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>