Add change logs for v3.1 release (#544)

Signed-off-by: Diane Wang <dianew@vmware.com>

changelogs/changelog.yml

@@ -1,5 +1,28 @@
 ancestor: null
 releases:
+  3.1:
+    changes:
+      new_testcases:
+      - windows/windows_update_install/windows_update_install.yml
+      - windows/vtpm_cold_add_remove/vtpm_cold_add_remove.yml
+      new_supported_gos:
+      - MiracleLinux 8.x and 9.x
+      - FusionOS 22 and 23
+      - Kylin Linux Advanced Server V10
+    docker_image:
+      path: projects.registry.vmware.com/gos_cert/ansible-vsphere-gos-validation:v3.1
+      Ansible: ansible-core 2.15.8
+      Python: 3.11.7
+      Ansible collections:
+      - ansible.netcommon 6.0.0
+      - ansible.posix     1.5.4
+      - ansible.utils     3.1.0
+      - ansible.windows   2.2.0
+      - community.crypto  2.17.1
+      - community.general 8.3.0
+      - community.vmware  4.1.0
+      - community.windows 2.1.0
+    release_date: '2024-02-02'
   3.0:
     changes:
       major_changes: