build(deps): bump shepherd.js from 14.1.0 to 14.3.0

Bumps [shepherd.js](https://github.com/shepherd-pro/shepherd) from 14.1.0 to 14.3.0.
- [Release notes](https://github.com/shepherd-pro/shepherd/releases)
- [Changelog](https://github.com/shipshapecode/shepherd/blob/main/CHANGELOG.md)
- [Commits](https://github.com/shepherd-pro/shepherd/commits)

---
updated-dependencies:
- dependency-name: shepherd.js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -24,6 +24,6 @@
     "webpack-merge": "^6.0.1"
   },
   "dependencies": {
-    "shepherd.js": "^14.1.0"
+    "shepherd.js": "^14.3.0"
   }
 }