deps: Bump vgi from 0.29.0 to 0.31.0

[dependabot]

Bumps vgi from 0.29.0 to 0.31.0.

Release notes

Sourced from vgi's releases.

v0.31.0

fix(client): enforce subprocess RPC deadlines

v0.30.0

Also fixes the release workflow, which could not have published this tag.

vgi gained a dependency on the vgi-protocol crate when the wire layer was split out after v0.29.0, but the publish step still ran only cargo publish -p vgi. That cannot work: cargo resolves a path+version dependency against the REGISTRY when packaging, and vgi-protocol had never been published — crates.io returns 404 for it. Verified with a local dry-run, which fails with 'no matching package named vgi-protocol found'.

The step now publishes vgi-protocol -> vgi -> vgi-client in dependency order, skipping any version already on crates.io so a re-run after a partial publish completes the remainder instead of needing a version bump.

Commits

• 074ae22 fix(client): enforce subprocess RPC deadlines
• 39d6eeb test(worker): exercise stale-while-revalidate
• 6d0f77a Use transparent logo and add CI/crates.io badges to README
• 9e6fd6f fix(worker): consume profiling state after callback
• 21a2b2a feat(client): expose table profiling callback
• 13b49ee ci: stamp source-built extension ABI version
• cf3e893 ci: test against pinned source-built VGI extension
• 49f3391 test(worker): model split cache revalidation
• 32022de test(client): preserve global function overloads
• f06b0db test(worker): exercise qualified macro dependencies
• Additional commits viewable in compare view

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[dependabot]

Superseded by #20.