ci: trigger ci-pr-riscv64-linux workflow on unlabeled events
This way, if the ci-riscv64-linux label was added to a PR previously, removing
it will cause the concurrency group of the workflow to cancel the runs triggered
by the label being added.
d984e7d2faAlex Rønne Petersen committed on 8/8/2025, 3:15:44 PMparent63b663a