v0.69.1

Features

• avoid additional nesting when peer is resolved from own dependency (e95ae02, @zkochan)
• include peer resolutions in the lockfile (7dc82f0, @zkochan)
• lock project during install/uninstall (d44a333, @zkochan)
• support the --no-optional argument (#783, @zkochan)

Bug Fixes

• fall back to copying when cannot link package (#782, @zkochan)
• subdependencies of skipped optional dependencies are skipped as well (f414e25, @zkochan)

Breaking Changes

• lockfile format changed
  • add dev and optional properties
  • use ssri for checking integrity (03433ab, @zkochan)
  • change the git resolution format (12abf73, @zkochan)
  • rename root to directory in file resolution (502b566, @zkochan)
  • optional deps are grouped separately from the production deps
  • the root dev deps are grouped separately from the production and optional deps