chore(deps): bump @objectstack/spec from 0.8.2 to 4.0.1

Bumps [@objectstack/spec](https://github.com/objectstack-ai/spec) from 0.8.2 to 4.0.1.
- [Release notes](https://github.com/objectstack-ai/spec/releases)
- [Changelog](https://github.com/objectstack-ai/framework/blob/main/CHANGELOG.md)
- [Commits](https://github.com/objectstack-ai/spec/compare/@objectstack/spec@0.8.2...@objectstack/spec@4.0.1)

---
updated-dependencies:
- dependency-name: "@objectstack/spec"
  dependency-version: 4.0.1
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -13,7 +13,7 @@
     "example": "node dist/example.js"
   },
   "dependencies": {
-    "@objectstack/spec": "^0.8.2"
+    "@objectstack/spec": "^4.0.1"
   },
   "devDependencies": {
     "@types/node": "^25.0.10",