release: Capy CLI v0.6.1

[cvince]

Release: Capy CLI v0.6.1

Patch release bundling changes merged since v0.6.0.

Included since v0.6.0

• fix(sync): stop rewriting keep.lock on every sync via canonical self-heal compare (fix(sync): stop rewriting keep.lock on every sync #227)
• chore: remove vestigial .capy/decrypt key cluster (chore: remove vestigial .capy/decrypt key cluster #226)
• fix(deploy/vercel): make the Preview env's git branch explicit and decoupled (fix(deploy/vercel): make Preview env's git branch explicit and decoupled #225)
• fix: remove hardcoded version subcommand, source version from package.json (fix: remove hardcoded version subcommand, source version from package.json #224)
• fix(files): write .env, encrypted .env, and backups with mode 0o600 (fix(files): write .env and backups with mode 0o600 #223)
• feat(deploy/vercel): auto-run vercel link when project isn't linked (feat(deploy/vercel): auto-run vercel link when not linked #222)
• fix: read CLI version from package.json instead of hardcoded literal (fix: read CLI version from package.json instead of hardcoded literal #221)
• docs(readme): refresh commands table for v0.6.0 (docs(readme): refresh commands for v0.6.0; drop stripe live-mode note #220)
• feat(cli): automated rotation — rotate → deploy, train-stop, agent mode (feat(cli): automated rotation — rotate → deploy, train-stop, agent mode #214)

Changes in this PR

• Bump VERSION → 0.6.1
• Bump package.json version → 0.6.1