2.0.0

Changelog

• c4effb7 fix(ci): override fedora go env defaults and persist caches on failure
• 9a4bb29 fix(ci): enable Go toolchain auto-switching and full git history for goreleaser
• b85a77f ci: cache xz buildroots and go modules, update actions to latest
• 5d93942 ci: run tests in build workflow
• 6d9ede8 fix(ci): derive darwin host triple from osxcross toolchain
• 2bc34ae fix(ci): detect Xcode and SDK version dynamically for osxcross
• a484f09 ci: declare goreleaser config version 2
• 2907246 docs: update README and add changelog for 2.0.0
• 1405e5f chore(deps): upgrade Go toolchain floor and update dependencies
• fb5f6f9 feat!: modular payload library with incremental OTA support
• 4942f43 feat: add pure Go bspatch supporting BSDIFF40 and BSDF2