Automate Release Process

[kensipe]

This should be simple. trigger off version tag and release. MVP is release of kuttl.. but would love to automate:

1. kuttl release
2. docker release
3. krew update (this is the more challenging component as it requires a PR to that repo)

likely want to use github actions... should look at moving to actions for all CI

What would you like to be added:

Why is this needed:

[iblancasa]

I started working on this in #337 but I'm had some issues with the release process. I need to retake the work here