httplab: 0.1.0 -> 0.3.0
httplab: 0.1.0 -> 0.3.0

Semi-automatic update. These checks were performed:

- built on NixOS
- ran `/nix/store/xcj03lcwy88k0kv4mymsimgjmzjxwgdn-httplab-0.3.0-bin/bin/httplab --version` and found version 0.3.0
- found 0.3.0 with grep in /nix/store/xcj03lcwy88k0kv4mymsimgjmzjxwgdn-httplab-0.3.0-bin
- found 0.3.0 in filename of file in /nix/store/xcj03lcwy88k0kv4mymsimgjmzjxwgdn-httplab-0.3.0-bin

cc "@pradeepchhetri @ehmry @lethalman"

SymbiFlow/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,SymbiFlow/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,SymbiFlow/nixpkgs,SymbiFlow/nixpkgs,NixOS/nixpkgs