update dt_operator_release to v1.4.0 (#771)

Author: IgnacioGoldman

user-skel/ansible_collections/ace_box/ace_box/roles/dt-operator/defaults/main.yml

@@ -14,7 +14,7 @@
 
 ---
 operator_mode: "applicationMonitoring"  # default & prefered deployment option
-dt_operator_release: "1.3.0-rc.0"       # operator release should be linked with the right operator mode
+dt_operator_release: "1.4.0"       # operator release should be linked with the right operator mode
 log_monitoring: "off"
 
 # operator_mode: "classicFullStack"