build(deps): bump @digitalcredentials/jsonld from 5.2.1 to 6.0.0

Bumps [@digitalcredentials/jsonld](https://github.com/digitalcredentials/jsonld.js) from 5.2.1 to 6.0.0.
- [Changelog](https://github.com/digitalcredentials/jsonld.js/blob/main/CHANGELOG.md)
- [Commits](digitalcredentials/jsonld.js@v5.2.1...v6.0.0)

---
updated-dependencies:
- dependency-name: "@digitalcredentials/jsonld"
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/core/package.json

@@ -23,7 +23,7 @@
     "prepublishOnly": "yarn run build"
   },
   "dependencies": {
-    "@digitalcredentials/jsonld": "^5.2.1",
+    "@digitalcredentials/jsonld": "^6.0.0",
     "@digitalcredentials/jsonld-signatures": "^9.3.1",
     "@digitalcredentials/vc": "^1.1.2",
     "@multiformats/base-x": "^4.0.1",