fix(zitadel-image): refactor dockerfiles and gh action (#2027)

* early prototyp

* fix some errors

* remove docker image cache

* add comment

* add false

* typo

* test cache speed

* upload artifact

* remove tag

* seperate after build step

* debug

* debug

* debug

* debug

* debug

* test gh

* test

* test

* test

* test

* test golang

* test go

* test with release image

* fix

* use scratch to export

* test

* fix path

* ref

* typo

* debug

* test

* debug

* speed up docker

* test

* debug

* debug

* try scope

* test cache

* restore cache

* reenable operator build

* fix duplicate

* fix buildpush version

* test cache

* improve caching

* test release IF

* only run console and zitadel without dispatch

* test with reworked operator

* testing without release step

* lint yaml

* fix if

* improve wording

* enable release step & only notify sentry on main

* console from file system

* update docker file paths

* remove migration line

* add statik for operator

* console files using go 1.15

* fix console default path

* improve code QL

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

README.md

@@ -97,7 +97,6 @@ Delegate the right to assign roles to another organization
 Customize login and console with your design  
 ![private_labeling](https://user-images.githubusercontent.com/1366906/123089110-d148ff80-d426-11eb-9598-32b506f6d4fd.gif)
 
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 ## How To Contribute
 
 Details about how to contribute you can find in the [Contribution Guide](CONTRIBUTING.md)