Nydus Image Service v2.1.0-alpha.4

What's Changed

• ctr-remote: note user this ctr is only enhanced for nydus by @changweige in #544
• makefile: add target install by @changweige in #545
• fscache: fix large stargz chunks processing by @imeoer in #546
• doc: add description about estargz and nerdctl support by @imeoer in #547
• README.md: fix up leftovers of stargz for fscache by @hsiangkao in #548
• Fix spelling mistakes by @changweige in #549
• nydus-image: remove redundant -o short option by @changweige in #550
• rafs: v6 must have local blobcache configured by @changweige in #551
• build(deps): bump github.com/containerd/containerd from 1.4.13 to 1.5.13 in /contrib/nydusify by @dependabot in #553
• Add a recording for fscache lazy pulling by @hsiangkao in #557
• fscache: no need to clone string by @changweige in #558
• nydus-backend-proxy reload blob objects map by @changweige in #556
• dep: upgrade packages to fix some security vulnerabilities by @imeoer in #562
• rafs/v6: pack rdev for rafs v6 image by @changweige in #564
• nydus-test: Add BackendProxy storage backend to simulate registry storage backend by @changweige in #563
• add basic nydusify conversion case by @changweige in #566
• nydus-test: ignore missing backend_proxy_url by @changweige in #567
• ci: don't run Convert Top Docker Hub Images job on forked repos by @liubin in #574
• Use nydusify to check file content for nydus v6 by @zyfjeff in #572
• nydusd: fixed getting the wrong chunk due to using the wrong blob index by @zyfjeff in #573
• nydus-test: Replace storage backend with BACKEND_PROXY and adapts github action by @changweige in #570
• nydus-image: use BtreeMap replace HashMap to guarante order of chunkinfo by @zyfjeff in #575
• nydusify: Add fs-version args for pack subcommand by @zyfjeff in #529

Full Changelog: v2.1.0-alpha.3...v2.1.0-alpha.4