default or selected kernelversion does not have config value CONFIG_EXT4_FS_XATTR.
Result is shown for kernelversion 6.2.5

Ext4 extended attributes

configname: CONFIG_EXT4_FS_XATTR

Linux Kernel Configuration
└─>File systems
└─>Ext4 extended attributes
In linux kernel since version 2.6.28 (release Date: 2008-12-24)  
Extended attributes are name:value pairs associated with inodes by
the kernel or by users (see the attr(5) manual page, or visit
<> for details).

If unsure, say N.

You need this for POSIX ACL support on ext4.