Bump version to v0.4.2
Bump version to v0.4.2

nix-rust/nix,asomers/nix,kamalmarhubi/nix-rust,marjakm/nix-rust,cmr/nix-rust,posborne/rust-nix,arthurprs/nix-rust,nikklassen/nix-rust,brayniac/nix-rust,utkarshkukreti/nix-rust,cmr/nix-rust,posborne/rust-nix,brayniac/nix-rust,MarkusJais/nix-rust,kamalmarhubi/nix-rust,geofft/nix-rust,carllerche/nix-rust,brayniac/nix-rust,carllerche/nix-rust,asomers/nix,kamalmarhubi/nix-rust,arthurprs/nix-rust,Susurrus/nix,carllerche/nix-rust,MarkusJais/nix-rust,berkowski/nix,marjakm/nix-rust,MarkusJais/nix-rust,xd009642/nix,nix-rust/nix,nikklassen/nix-rust,geofft/nix-rust,xd009642/nix,posborne/rust-nix,cmr/nix-rust,geofft/nix-rust,berkowski/nix,utkarshkukreti/nix-rust,xd009642/nix,marjakm/nix-rust,utkarshkukreti/nix-rust,arthurprs/nix-rust,Susurrus/nix,nikklassen/nix-rust,Susurrus/nix,berkowski/nix