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/ui/console/console.go

@@ -34,7 +34,7 @@ type spaHandler struct {
 }
 
 var (
-	//go:embed static/*
+	//go:embed static
 	static embed.FS
 )