chore: update dashboard version

Makefile

@@ -21,7 +21,7 @@ endif
 # Dashboard version
 # from https://github.com/emqx/emqx-dashboard5
 export EMQX_DASHBOARD_VERSION ?= v1.9.0-beta.1
-export EMQX_EE_DASHBOARD_VERSION ?= e1.7.0-beta.11
+export EMQX_EE_DASHBOARD_VERSION ?= e1.7.0-beta.12
 
 -include default-profile.mk
 PROFILE ?= emqx