build(deps): bump @digitalcredentials/vc from 6.0.1 to 8.0.0

Bumps [@digitalcredentials/vc](https://github.com/digitalcredentials/vc) from 6.0.1 to 8.0.0.
- [Changelog](https://github.com/digitalcredentials/vc/blob/main/CHANGELOG.md)
- [Commits](digitalcredentials/vc@v6.0.1...v8.0.0)

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

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

packages/core/package.json

@@ -27,7 +27,7 @@
   "dependencies": {
     "@digitalcredentials/jsonld": "^6.0.0",
     "@digitalcredentials/jsonld-signatures": "^9.4.0",
-    "@digitalcredentials/vc": "^6.0.1",
+    "@digitalcredentials/vc": "^8.0.0",
     "@multiformats/base-x": "^4.0.1",
     "@noble/hashes": "^1.4.0",
     "@peculiar/asn1-ecc": "^2.3.8",