deps: bump cborg from 2.0.5 to 4.0.0

Bumps [cborg](https://github.com/rvagg/cborg) from 2.0.5 to 4.0.0.
- [Release notes](https://github.com/rvagg/cborg/releases)
- [Changelog](https://github.com/rvagg/cborg/blob/master/CHANGELOG.md)
- [Commits](rvagg/cborg@v2.0.5...v4.0.0)

---
updated-dependencies:
- dependency-name: cborg
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -161,7 +161,7 @@
     "dep-check": "aegir dep-check"
   },
   "dependencies": {
-    "cborg": "^2.0.1",
+    "cborg": "^4.0.0",
     "multiformats": "^12.0.1"
   },
   "devDependencies": {