chore(pipeline): change caching keys (#1651)

* Update zitadel.yml

* use different files for hashing the keys

* use correct path for docker and hash the dockerfile

* use codecov within steps

* proper indenting

* rename steps

* fix duplicate name

* move dockerignore

* rename things

* codecov as pre step before the build

* ignore cache path

* debug

* Update .dockerignore

* debug

* debug

* debug

* debug

* debug

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

.dockerignore

@@ -0,0 +1,18 @@
+.git
+.codecov
+.github
+.gitignore
+.dockerignore
+k8s
+docs
+console/node_modules
+console/src/app/proto/generated
+console/tmp
+.releaserc.js
+changelog.config.js
+CONTRIBUTING.md
+LICENSE
+README.md
+SECURITY.md
+pkg/grpc/*/*.pb.*
+pkg/grpc/*/*.swagger.json