default or selected kernelversion does not have config value CONFIG_NFT_REDIR_IPV6.
Result is shown for kernelversion 6.7-rc3

IPv6 redirect support for nf_tables

modulename: nft_redir_ipv6.ko


Linux Kernel Configuration
└─>Networking support
└─>Networking options
└─>Network packet filtering framework (Netfilter)
└─>The IPv6 protocol
└─>IPv6: Netfilter Configuration
└─>IPv6 redirect support for nf_tables
In linux kernel since version 3.19 (release Date: 2015-02-08)  
This is the expression that provides IPv4 redirect support for

source code: