Merge pull request #89120 from eromanova97/add-build-1.4

RHDEVDOCS-6374: Enable building standalone doc for Builds 1.4

Author: xenolinux

_distro_map.yml

@@ -453,6 +453,9 @@ openshift-builds:
     build-docs-1.3:
       name: '1.3'
       dir: builds/1.3
+    build-docs-1.4:
+      name: '1.4'
+      dir: builds/1.4
 openshift-lightspeed:
   name: Red Hat OpenShift Lightspeed
   author: OpenShift documentation team <openshift-docs@redhat.com>