Nydus Image Service v2.3.4

Binaries download mirror (sync within a few hours): https://registry.npmmirror.com/binary.html?path=nydus/v2.3.4/

What's Changed

• Increase cache_v5.rs UT coverage by @bergwolf in #1700
• storage: fix redirect in registry backend by @imeoer in #1732

Full Changelog: v2.3.3...v2.3.4