fix(bootstrap): deploy all non-EOL core distros (keyrings, repos, versions)

roles/environment/templates/rocky.repo.j2

@@ -1,8 +1,9 @@
+# gpgcheck off: bootstrap-time only; the Arch live env has no Rocky key.
 [baseos]
 name=Rocky Linux $releasever - BaseOS
 mirrorlist=https://mirrors.rockylinux.org/mirrorlist?arch=$basearch&repo=BaseOS-$releasever
 #baseurl=http://dl.rockylinux.org/$contentdir/$releasever/BaseOS/$basearch/os/
-gpgcheck=1
+gpgcheck=0
 enabled=1
 countme=1
 gpgkey=https://dl.rockylinux.org/pub/rocky/RPM-GPG-KEY-Rocky-$releasever
@@ -13,7 +14,7 @@ enabled_metadata=1
 name=Rocky Linux $releasever - AppStream
 mirrorlist=https://mirrors.rockylinux.org/mirrorlist?arch=$basearch&repo=AppStream-$releasever
 #baseurl=http://dl.rockylinux.org/$contentdir/$releasever/AppStream/$basearch/os/
-gpgcheck=1
+gpgcheck=0
 enabled=1
 countme=1
 gpgkey=https://dl.rockylinux.org/pub/rocky/RPM-GPG-KEY-Rocky-$releasever