2.4.0

Commits

• fix: use JSON instead of XML by default 949a868
• tests: convert XML in JSON 8230fe9
• nix: upgrade .envrc 2796955
• docs: Update changelog. 8d9ef9c
• chore: Prettify codebase. 3a0513a
• refactor: Update codebase for PHP >= 8.0.2. df1b6e8
• ci: Add prettier workflow. dec94c6
• chore: Get rid of docker, use Nix. f46137d