update CI freebsd 14 to proper release.

Author: devnexen

.cirrus.yml

@@ -29,7 +29,7 @@ task:
 task:
   name: nightly x86_64-unknown-freebsd-14
   freebsd_instance:
-    image: freebsd-14-0-rc1-amd64
+    image_family: freebsd-14-0
   setup_script:
     - pkg install -y libnghttp2 curl
     - curl https://sh.rustup.rs -sSf --output rustup.sh