CI FreeBSD: use Go 1.23

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

.cirrus.yml

@@ -8,11 +8,11 @@ freebsd_task:
 
   pkginstall_script:
     - pkg update -f
-    - pkg install -y go122
+    - pkg install -y go123
     - pkg install -y git
 
   setup_script:
-    - ln -s /usr/local/bin/go122 /usr/local/bin/go
+    - ln -s /usr/local/bin/go123 /usr/local/bin/go
     - pw groupadd sftpgo
     - pw useradd sftpgo -g sftpgo -w none -m
     - mkdir /home/sftpgo/sftpgo