ci: improve performance (#5953)

* pipeline runs on ubuntu instead of docker
* added Makefile to build zitadel core (backend) and console (frontend)
* pipeline runs in parallel where possible
* pipeline is split into multiple jobs
* removed goreleaser
* added command to check if zitadel instance is running

internal/api/assets/generator/asset_generator.go

@@ -128,7 +128,9 @@ func GenerateAssetHandler(configFilePath, handlerPrefix string, authz, router, d
 	logging.Log("ASSETS-Bfd41").OnError(err).Fatal("cannot generate docs")
 }
 
-const authzTmpl = `package {{.GoPkgName}}
+const authzTmpl = `// Code generated by assets generator. DO NOT EDIT.
+
+package {{.GoPkgName}}
 
 import (
 	"github.com/zitadel/zitadel/internal/api/authz"
@@ -159,7 +161,9 @@ var {{.Name}}_AuthMethods = authz.MethodMapping {
 }
 `
 
-const routerTmpl = `package {{.GoPkgName}}
+const routerTmpl = `// Code generated by assets generator. DO NOT EDIT.
+
+package {{.GoPkgName}}
 
 import (
 	"github.com/gorilla/mux"