Include scripts and conf files in the ansible collection (#11707)

We use shell scripts and conf files in some roles (notably, certificates
provisioning), so we need to include them in order for the collection to
work when using the configurations depending on those roles.

galaxy.yml

@@ -22,3 +22,4 @@ dependencies:
 manifest:
   directives:
     - recursive-exclude tests **
+    - recursive-include roles **/files/*