Update dependency os-hardening to v10.4.0

Author: renovate[bot]

roles/requirements.yml

@@ -1,5 +1,5 @@
 - src: git+https://github.com/dev-sec/ansible-os-hardening.git
-  version: 10.3.1
+  version: 10.4.0
   name: os-hardening
 
 - src: git+https://github.com/dev-sec/ansible-ssh-hardening.git