Update CHANGELOG for pull request 397
Update CHANGELOG for pull request 397

Susurrus/nix,carllerche/nix-rust,kamalmarhubi/nix-rust,Susurrus/nix,carllerche/nix-rust,carllerche/nix-rust,MarkusJais/nix-rust,MarkusJais/nix-rust,xd009642/nix,geofft/nix-rust,posborne/rust-nix,asomers/nix,nix-rust/nix,kamalmarhubi/nix-rust,Susurrus/nix,berkowski/nix,nix-rust/nix,posborne/rust-nix,MarkusJais/nix-rust,asomers/nix,kamalmarhubi/nix-rust,berkowski/nix,posborne/rust-nix,xd009642/nix,berkowski/nix,geofft/nix-rust,geofft/nix-rust,xd009642/nix