Fix handler notify in fix-houston.yml

The handler was changed when we fixed linting, but the notify wasn't
updated.

Author: MoteHue

etc/kayobe/ansible/fix-houston.yml

@@ -29,7 +29,7 @@
       vars:
         interface_name: "{{ item }}"
       when: neutron_bridge_name | length > 0
-      notify: reload systemd
+      notify: Reload systemd
 
     - name: Enable and start systemd service for -ovs network interface
       ansible.builtin.systemd: