CI FreeBSD: switch to Latest

Go 1.21 is not available from Quarterly

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>

Author: drakkan

.cirrus.yml

@@ -7,6 +7,8 @@ freebsd_task:
         image_family: freebsd-13-2
 
   pkginstall_script:
+    - mkdir -p /usr/local/etc/pkg/repos
+    - "echo 'FreeBSD: { url: \"pkg+http://pkg.FreeBSD.org/${ABI}/latest\" }' > /usr/local/etc/pkg/repos/FreeBSD.conf"
     - pkg update -f
     - pkg install -y go121
     - pkg install -y git