see https://github.com/neovim/neovim/pull/32194 The linux binary for Neovim stable and nightly is now named `nvim-linux-x86_64.tar.gz` https://github.com/rhysd/action-setup-vim/blob/c0a5f1c1f9b0e086515539638ea3ede278f27170/src/neovim.ts#L46