Use sh as interpreter
Use sh as interpreter

No bash-specific feature is used, so deploy script will work
in every POSIX OS, even when bash isn't installed.

geofft/nix-rust,xd009642/nix,geofft/nix-rust,Susurrus/nix,xd009642/nix,Susurrus/nix,carllerche/nix-rust,asomers/nix,MarkusJais/nix-rust,nix-rust/nix,carllerche/nix-rust,MarkusJais/nix-rust,asomers/nix,MarkusJais/nix-rust,xd009642/nix,nix-rust/nix,Susurrus/nix,carllerche/nix-rust,geofft/nix-rust