ci: upgrade freebsd tasks

.cirrus.yml

@@ -1,7 +1,7 @@
 task:
-  name: freebsd-11-amd64
+  name: freebsd-12-amd64
   freebsd_instance:
-    image_family: freebsd-11-4
+    image_family: freebsd-12-3
   setup_script:
     - pkg update
     - pkg install -y git sdl2 python
@@ -11,9 +11,9 @@ task:
     - ./scripts/cirrus/build_freebsd.sh full
 
 task:
-  name: freebsd-12-amd64
+  name: freebsd-13-amd64
   freebsd_instance:
-    image_family: freebsd-12-2
+    image_family: freebsd-13-0
   setup_script:
     - pkg update
     - pkg install -y git sdl2 python
@@ -23,9 +23,9 @@ task:
     - ./scripts/cirrus/build_freebsd.sh full
 
 task:
-  name: freebsd-13-amd64
+  name: freebsd-14-amd64
   freebsd_instance:
-    image_family: freebsd-13-0-snap
+    image_family: freebsd-14-0-snap
   setup_script:
     - pkg update
     - pkg install -y git sdl2 python