v2.4.5

Fixes

• fix: Atomic one-time download claim, prevent crash on concurrent removal by @psi-4ward
• fix: Enforce bucket lock on running uploads by @psi-4ward
• fix: Upload PATCH fails with ENOTSUP on Alpine with kernels < 6.9 by @psi-4ward

Maintenance

• chore: Update Node.js to v26 by @psi-4ward
• chore: Bump package versions by @psi-4ward
• chore: Remove outdated devcontainer by @psi-4ward

Other Changes

• ci: Update and pin actions, add Dependabot, multi-stage Dockerfile by @psi-4ward
• ci: Reduce Dependabot noise, build frontend in CI by @psi-4ward