d: Update __FreeBSD_version values [PR107469]

Update __FreeBSD_version values for the latest supported FreeBSD
versions. In particular, add __FreeBSD_version for FreeBSD 14, which
is necessary to compile libphobos successfully on FreeBSD 14.

libphobos/ChangeLog:

	PR d/107469
	* libdruntime/core/sys/freebsd/config.d: Update __FreeBSD_version.

libphobos/libdruntime/core/sys/freebsd/config.d

@@ -14,8 +14,9 @@ public import core.sys.posix.config;
 // NOTE: When adding newer versions of FreeBSD, verify all current versioned
 // bindings are still compatible with the release.
 
-     version (FreeBSD_13) enum __FreeBSD_version = 1300000;
-else version (FreeBSD_12) enum __FreeBSD_version = 1202000;
+     version (FreeBSD_14) enum __FreeBSD_version = 1400000;
+else version (FreeBSD_13) enum __FreeBSD_version = 1301000;
+else version (FreeBSD_12) enum __FreeBSD_version = 1203000;
 else version (FreeBSD_11) enum __FreeBSD_version = 1104000;
 else version (FreeBSD_10) enum __FreeBSD_version = 1004000;
 else version (FreeBSD_9)  enum __FreeBSD_version = 903000;