Change eustachius ip address

eustachius hung up and needed to be freshly set-up requiring a new
tailscale connection

hosts/franz/restic.nix

@@ -309,7 +309,7 @@ in {
           key: '${config.sops.placeholder."autorestic/zfs_key"}'
         eustachius:
           type: rest
-          path: http://100.64.0.3:8000/franz
+          path: http://fd7a:115c:a1e0::8:8000/franz
           key: '${config.sops.placeholder."autorestic/eustachius_key"}'
     '';
   };