feat: update package version to 0.0.42 and add CNB version fetching functionality

- Updated package version in package.json from 0.0.40 to 0.0.42.
- Added getCNBVersion function to fetch CNB version information from the API.
- Enhanced Issue class with methods for managing comments (list, create, get, update).
- Introduced new NPC and comment environment hooks for better context management.
- Implemented Docker image synchronization route for CNB.
- Added tests for version fetching and issue comment functionalities.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@kevisual/cnb",
-  "version": "0.0.40",
+  "version": "0.0.42",
   "description": "",
   "main": "index.js",
   "basename": "/root/cnb",