Major new features:

• start writing v4->v5 migration docs (MRG: start writing v4->v5 migration docs #3721)
• adjust warnings around tax abund and provide v5 upgrades to tax metagenome (MRG: adjust warnings around tax abund and provide v5 upgrades to tax metagenome  #3711)

Minor new features:

• try setting up --v4 and --v5 behavior differences for sig check (MRG: try setting up --v4 and --v5 behavior differences for sig check #3072)
• update sig manifest default rebuilding behavior for v5. (MRG: update sig manifest default rebuilding behavior for v5. #3074)
• handle (ignore) empty taxids for bioboxes format (MRG: handle (ignore) empty taxids for bioboxes format #3748)
• improve summary_csv for lingroups (MRG: improve summary_csv for lingroups #3758)

Cleanup and documentation updates:

• use auto-generated database list (MRG: use auto-generated database list #3754)

Developer updates:

• CI: fix dependabot config syntax, and clippy beta lints (CI: fix dependabot config syntax, and clippy beta lints #3762)
• CI: update to cibuildwheel 3.1.1 (CI: update to cibuildwheel 3.1.1 #3738)
• ci: group dependabot updates by language (ci: group dependabot updates by language #3749)
• Remove docutils dep (MRG: Remove docutils dep #3769)
• bump version to 4.9.4-dev (MRG: bump version to 4.9.4-dev #3715)
• disable WebAssembly builds, for now (MRG: disable WebAssembly builds, for now #3724)

Dependabot updates:

• Build(ci): Bump actions/download-artifact from 4 to 5 (Build(ci): Bump actions/download-artifact from 4 to 5 #3766)
• Build(deps): Bump DeterminateSystems/nix-installer-action from 17 to 18 (Build(deps): Bump DeterminateSystems/nix-installer-action from 17 to 18 #3727)
• Build(deps): Bump DeterminateSystems/nix-installer-action from 18 to 19 (Build(deps): Bump DeterminateSystems/nix-installer-action from 18 to 19 #3746)
• Build(deps): Bump criterion from 0.6.0 to 0.7.0 (Build(deps): Bump criterion from 0.6.0 to 0.7.0 #3741)
• Build(deps): Bump md5 from 0.7.0 to 0.8.0 (Build(deps): Bump md5 from 0.7.0 to 0.8.0 #3719)
• Build(deps): Bump memmap2 from 0.9.5 to 0.9.7 (Build(deps): Bump memmap2 from 0.9.5 to 0.9.7 #3732)
• Build(deps): Bump prefix-dev/setup-pixi from 0.8.10 to 0.8.11 (Build(deps): Bump prefix-dev/setup-pixi from 0.8.10 to 0.8.11 #3733)
• Build(deps): Bump prefix-dev/setup-pixi from 0.8.11 to 0.8.14 (Build(deps): Bump prefix-dev/setup-pixi from 0.8.11 to 0.8.14 #3747)
• Build(deps): Bump rand from 0.9.1 to 0.9.2 (Build(deps): Bump rand from 0.9.1 to 0.9.2 #3743)
• Build(deps): Bump serde_json from 1.0.140 to 1.0.141 (Build(deps): Bump serde_json from 1.0.140 to 1.0.141 #3742)
• [pre-commit.ci] pre-commit autoupdate ([pre-commit.ci] pre-commit autoupdate #3718)
• [pre-commit.ci] pre-commit autoupdate ([pre-commit.ci] pre-commit autoupdate #3725)
• [pre-commit.ci] pre-commit autoupdate ([pre-commit.ci] pre-commit autoupdate #3731)
• [pre-commit.ci] pre-commit autoupdate ([pre-commit.ci] pre-commit autoupdate #3737)
• [pre-commit.ci] pre-commit autoupdate ([pre-commit.ci] pre-commit autoupdate #3740)
• [pre-commit.ci] pre-commit autoupdate ([pre-commit.ci] pre-commit autoupdate #3756)