Fix wrong indentation in the misc host_vars files

With the last commit[1], we now lint the misc host_vars files and the
indentation is off for some of the files.

[1] b0f46412 ("Add missing .yml suffix to the misc host_vars files")

host_vars/repos.archlinux.org/misc.yml

@@ -8,9 +8,9 @@ ipv4_gateway: "168.119.141.65"
 ipv6_gateway: "fe80::1"
 filesystem: "btrfs"
 system_disks:
-- /dev/nvme0n1
-- /dev/nvme1n1
-- /dev/nvme2n1
+  - /dev/nvme0n1
+  - /dev/nvme1n1
+  - /dev/nvme2n1
 raid_level: "raid1"
 
 wireguard_address: 10.0.0.45

host_vars/repro2.pkgbuild.com/misc.yml

@@ -16,9 +16,9 @@ system_disks:
 raid_level: "raid1"
 
 rebuilderd_workers:
- - repro21
- - repro22
- - repro23
- - repro24
+  - repro21
+  - repro22
+  - repro23
+  - repro24
 wireguard_address: 10.0.0.29
 wireguard_public_key: PQDUQxGH6n3PY/dqlDk6DsSV5XBYQvJWJbVJldEuYic=

host_vars/repro3.pkgbuild.com/misc.yml

@@ -16,7 +16,7 @@ configure_network: true
 enable_zram_swap: false
 
 rebuilderd_workers:
- - repro31
- - repro32
+  - repro31
+  - repro32
 wireguard_address: 10.0.0.40
 wireguard_public_key: wG9TkWIw+g0WvOWChIqllpIh3+DjIDKy0XYh+pM+CS4=