Release 1.4.0 version

Change-Id: I64652090e65de8450ca907a57e23e09e562c17da

changelogs/changelog.yaml

@@ -149,3 +149,20 @@ releases:
       name: stack_info
       namespace: ''
     release_date: '2021-02-16'
+  1.4.0:
+    changes:
+      bugfixes:
+      - Add Octavia job for testing Load Balancer
+      - Add binding profile to port module
+      - Add execution environment metadata
+      - Fix CI for latest ansible-test with no_log
+      - Fix issues with newest ansible-test 2.11
+      - Prepare for Ansible 2.11 tests
+      - add option to exclude legacy groups
+      - security_group_rule add support ipv6-icmp
+      release_summary: New object_container module and bugfixes.
+    modules:
+    - description: Manage Swift container
+      name: object_container
+      namespace: ''
+    release_date: '2021-04-08'