hassfest checking is failing due to an assumption that core integrations should not define their own issue_tracker. But dev branch has added issue_tracker as allowed, so that custom integrations can use hassfest too.
@@ -11,4 +11,4 @@ jobs:
runs-on: "ubuntu-latest"
steps:
- uses: "actions/checkout@v2"
- - uses: home-assistant/actions/hassfest@master
+ - uses: home-assistant/actions/hassfest@dev