Bumping prepackaged Playbooks plugin version to v2.4.4 (#35677)

Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/Makefile

@@ -148,7 +148,7 @@ PLUGIN_PACKAGES += mattermost-plugin-gitlab-v1.12.1
 PLUGIN_PACKAGES += mattermost-plugin-jira-v4.5.0
 # We need to prepackage both versions of playbooks and install the correct one based on the server license. See MM-60025.
 PLUGIN_PACKAGES += mattermost-plugin-playbooks-v1.41.1
-PLUGIN_PACKAGES += mattermost-plugin-playbooks-v2.4.3
+PLUGIN_PACKAGES += mattermost-plugin-playbooks-v2.4.4
 PLUGIN_PACKAGES += mattermost-plugin-servicenow-v2.3.4
 PLUGIN_PACKAGES += mattermost-plugin-zoom-v1.12.0
 PLUGIN_PACKAGES += mattermost-plugin-agents-v1.4.0