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
 )
 

internal/api/ui/login/static/resources/themes/scss/styles/vars.scss

@@ -108,8 +108,8 @@
   --zitadel-color-grey-800: #424242;
   --zitadel-color-grey-900: #212121;
 
-  --zitadel-icon-select: url("../select_arrow_light.svg");
-  --zitadel-logo-powered-by: url("../logo-dark.svg");
+  --zitadel-icon-select: url(../../zitadel/select_arrow_light.svg);
+  --zitadel-logo-powered-by: url(../../zitadel/logo-dark.svg);
 
   --zitadel-color-google-text: #8b8d8d;
   --zitadel-color-google-background: #ffffff;
@@ -218,8 +218,8 @@
   );
 
   /*--zitadel-color-label: var(--zitadel-color-grey-600); same */
-  --zitadel-icon-select: url("../select_arrow_dark.svg");
-  --zitadel-logo-powered-by: url("../logo-light.svg");
+  --zitadel-icon-select: url(../../zitadel/select_arrow_dark.svg);
+  --zitadel-logo-powered-by: url(../../zitadel/logo-light.svg);
 
   --zitadel-color-google-text: #8b8d8d;
   --zitadel-color-google-background: #ffffff;