Use opendev.org mirror for mtl01.inap region
The mirror.mtl01.inap.opendev.org server is setup and running, this
region should be using it.
Story:
Task: 37268
# new opendev.org based mirrors, but then eventually be removed once
# all are updated.
zuul_site_mirror_fqdn: >-
- {%- if nodepool.region + "." + nodepool.cloud in [ "DFW.rax", "ORD.rax", "regionOne.fortnebula" ] -%}
+ {%- if nodepool.region + "." + nodepool.cloud in [ "DFW.rax", "ORD.rax", "regionOne.fortnebula", "mtl01.inap" ] -%}
mirror.{{ nodepool.region | lower }}.{{ nodepool.cloud | lower }}.opendev.org
{%- else -%}
mirror.{{ nodepool.region | lower }}.{{ nodepool.cloud | lower }}.openstack.org
