default or selected kernelversion does not have config value CONFIG_NFT_META.
Result is shown for kernelversion 6.7-rc3

Netfilter nf_tables meta module

modulename: nft_meta.ko

configname: CONFIG_NFT_META

Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>Core Netfilter Configuration
└─>Netfilter nf_tables meta module
In linux kernel since version 3.13 (release Date: 2014-01-19)  
This option adds the "meta" expression that you can use to match and
to set packet metainformation such as the packet mark.

source code: