v0.4.3

Added

• add queue depth metrics

Other

• Merge pull request #18 from doublewordai/renovate/tokio-tracing-monorepo
• Merge pull request #15 from doublewordai/renovate/thiserror-2.x-lockfile
• Merge pull request #17 from doublewordai/renovate/tower-http-0.x-lockfile
• Merge pull request #16 from doublewordai/renovate/tokio-util-0.x-lockfile
• Merge pull request #22 from doublewordai/renovate/hyper-1.x-lockfile
• (deps) update rust crate hyper to v1.8.1
• (deps) update rust crate flamegraph to v0.6.10
• Merge pull request #10 from doublewordai/renovate/anyhow-1.x-lockfile
• (deps) update rust crate axum to v0.8.7
• Add renovate.json
• docs