release: bump plugin version to 0.7.4
Commit

Publish the updated search and using-entire skills to version-keyed plugin caches.
Co-Authored-By: Claude Fable 5.1 noreply@anthropic.com Claude-Session: https://claude.ai/code/session_01P89NYpxST5YeWwpYR1k3A6 Entire-Checkpoint: e36e15b5ffc4
Checkpoints
Checkpoint 1