Follow-up of #43228. This PR adds a new [GitHub Action](https://github.com/github/issue-labeler) that matches the issue's body for the [dropdown list items](6cacd5a7c4/.github/ISSUE_TEMPLATE/1.bug_report.yml (L26-L48)) and adds the relevant labels to the issue for triaging automatically.
6cacd5a7c4/.github/ISSUE_TEMPLATE/1.bug_report.yml (L26-L48)