Add Wants=network-online.target to a few services

After=network-online.target is likely insufficient by itself.

Fixes: 104d08a1 ("archweb: Put most services after network-online.target")
Fixes: c844d0cb ("Split storage box monitoring into new text collector")

roles/archweb/templates/archweb-mirrorcheck.service.j2

 [Unit]
 Description=archweb mirrorcheck service
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-mirrorresolv.service.j2

 [Unit]
 Description=archweb mirrorresolv service
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-planet.service.j2

 [Unit]
 Description=archweb update planet service
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-populate_signoffs.service.j2

 [Unit]
 Description=archweb populate_signoffs service
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-readlinks.service.j2

 [Unit]
 Description=archweb read links databases (for sonames)
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-rebuilderd.service.j2

 [Unit]
 Description=archweb update rebuilderd status service
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-reporead.service.j2

 [Unit]
 Description=archweb reporead
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/archweb/templates/archweb-rsync_iso.service.j2

 [Unit]
 Description=archweb rsync iso service
+Wants=network-online.target
 After=network-online.target
 
 [Service]

roles/prometheus_exporters/templates/prometheus-hetzner-textcollector.service.j2

 [Unit]
 Description=Prometheus Hetzner Exporter TextCollector
+Wants=network-online.target
 After=network-online.target
 
 [Service]