* Add chart-action submodules
* use local github actions for chart actions
* Run actions checkout for local checkout
* Run lint when PR is edited
* Remove path filter and dummy value
* Fix fetch-depth
* Test chart version bump
* Update maintainer to pass validation
* Update maintainer to pass validation
* Create initial helm-release action for superset
* Add lintconf to ensure chart passes validation
* Add lint-test job
* Add apache licence headers
* Run job for master only
* Move helm-lint to separate workflow
* Helm release for master & helm dir changes only
* Dummy change to test linter