build(deps): Bump github.com/cosmos/cosmos-sdk from 0.50.6-0.20240403102038-f63e5fdf7c96 to 0.52.0-rc.2 in /tools/confix

build(deps): Bump github.com/cosmos/cosmos-sdk from 0.50.6-0.20240403102038-f63e5fdf7c96 to 0.52.0-rc.2 in /tools/confix #680