* Add workflow to release webhook in rancher/charts and rancher/rancher
* Migrate to using Github App
* Prepend to release list in charts
* Take v-prefixed version as input
* Add doc block to release-message.sh
* Ensure prev and new versions are different
* Add support for RC to nonRC
* Add support RC to non-RC in rancher/rancher
* Fix permissios and shell quote