ci(cirrus): Drop testing on EOL FreeBSD 12, add 14

.cirrus.yml

@@ -2,8 +2,8 @@ task:
   name: Cirrus CI (FreeBSD)
   freebsd_instance:
     matrix:
+      - image_family: freebsd-14-0
       - image_family: freebsd-13-2
-      - image_family: freebsd-12-4
   env:
     MAKEFLAGS: -j$(nproc) -Otarget
     CFLAGS: -I/usr/local/include -fPIC
@@ -24,14 +24,13 @@ task:
     fingerprint_script: cat sile.rockspec.in
   dependencies_script:
     - pkg install -y autoconf automake fontconfig GentiumPlus git gmake harfbuzz jq libtool pkgconf png rust
-    - pkg install -y luajit lua51-luaexpat lua51-lpeg lua51-luafilesystem lua51-luarocks lua51-luasec lua51-luasocket
+    - pkg install -y luajit lua51-luaexpat lua51-lpeg lua51-luafilesystem lua51-luarocks lua51-luasec lua51-luasocket lua51-lzlib
     - luarocks51 install cassowary
     - luarocks51 install cldr
     - luarocks51 install compat53
     - luarocks51 install fluent
     - luarocks51 install linenoise
     - luarocks51 install loadkit
-    - luarocks51 install lua-zlib
     - luarocks51 install lua_cliargs
     - luarocks51 install luaepnf
     - luarocks51 install luarepl