Ignore fmt test in GHA CI
Ignore fmt test in GHA CI

This is already checked by clippy_dev.yml GHA

graydon/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust