Bump FreeBSD CI to 13.4 and 14.2

13.3 is marked EOL and 14.1 is marked legacy. Update these runners to
the latest version.

This should resolve some current CI failures.

(backport <rust-lang#4260>)
(cherry picked from commit 40a6c7f)

Author: tgross35

.cirrus.yml

@@ -12,13 +12,13 @@ task:
       env:
         TARGET: i686-unknown-freebsd
       freebsd_instance:
-        image_family: freebsd-13-3
+        image_family: freebsd-13-4
     - name: nightly freebsd-13 x86_64
       freebsd_instance:
-        image_family: freebsd-13-3
+        image_family: freebsd-13-4
     - name: nightly freebsd-14 x86_64
       freebsd_instance:
-        image: freebsd-14-1-release-amd64-ufs
+        image: freebsd-14-2-release-amd64-ufs
     - name: nightly freebsd-15 x86_64
       freebsd_instance:
        image_family: freebsd-15-0-snap