fix(dashboard): pin UI source branch to release-1.4

CONSOLE_BRANCH was hardcoded to `main` on both the main and release-1.4
branches, so every patch build of cozystack 1.4.x cloned cozystack-ui@main —
picking up unreleased UI features and bypassing the patch release gate.

Assisted-By: Claude <noreply@anthropic.com>
Signed-off-by: Myasnikov Daniil <myasnikovdaniil2001@gmail.com>

packages/system/dashboard/Makefile

@@ -11,7 +11,7 @@ include ../../../hack/package.mk
 image: image-console image-token-proxy
 
 CONSOLE_REPO ?= https://github.com/cozystack/cozystack-ui.git
-CONSOLE_BRANCH ?= main
+CONSOLE_BRANCH ?= release-1.4
 
 image-console: clone-console build-console update-values-console clean-console