Kubernaut v0.1.10

Fix the real cause of missing updater signatures

- bundle.createUpdaterArtifacts was never set, so Tauri v2's bundler
  silently skipped producing signed updater bundles/.sig files entirely
  — no error, just nothing to sign, which is why every release from
  v0.1.5 through v0.1.9 shipped without a working latest.json. Verified
  locally: a .sig now appears next to the bundle.
- v0.1.9 was cut for the key rotation alone, still hit this, and was
  deleted rather than published — this release (0.1.10) carries both.