Correct docker buildx install

Author: MoteHue

etc/kayobe/environments/ci-builder/inventory/group_vars/seed/dev-tools

@@ -1,3 +1,3 @@
 # Ensure we're using modern docker-buildx instead of legacy docker-build
 dev_tools_packages_extra:
-  - "{% if os_distribution == 'ubuntu' %}docker-buildx-plugin{% endif %}"
+  - "{% if os_distribution == 'ubuntu' %}docker-buildx{% endif %}"