netbox: fix netbox user (#1560)

Nginx Unit user UID has changed to 999 which breaks git data source sync
in Netbox.

Netbox 3.7.x container fixed this and use user name and group `unit:root`
instead od user ID.

This fix sets the default netbox user in the same way as `unit:root`.

Refer to related issue and netbox-docker PR:
- netbox-community/netbox-docker#1200
- netbox-community/netbox-docker#589

Signed-off-by: Matej Feder <matej.feder@dnation.cloud>

roles/netbox/defaults/main.yml

@@ -39,7 +39,7 @@ netbox_port: 8121
 netbox_osism_api_host: "{{ netbox_host }}"
 netbox_osism_api_port: 8000
 
-netbox_userid: 101
+netbox_user: 'unit:root'
 
 # renovate: datasource=docker depName=quay.io/osism/netbox
 netbox_tag: 'v4.0.8'

roles/netbox/templates/docker-compose.yml.j2

@@ -35,7 +35,7 @@ services:
   netbox: &netbox
     image: "{{ netbox_image }}"
     restart: unless-stopped
-    user: "{{ netbox_userid }}"
+    user: "{{ netbox_user }}"
     env_file:
       - "{{ netbox_configuration_directory }}/netbox.env"
     depends_on: