Bump @sphereon/pex from 2.1.0 to 3.3.3 in /packages/credentials

Bumps [@sphereon/pex](https://github.com/Sphereon-Opensource/pex) from 2.1.0 to 3.3.3.
- [Release notes](https://github.com/Sphereon-Opensource/pex/releases)
- [Changelog](https://github.com/Sphereon-Opensource/PEX/blob/develop/CHANGELOG.md)
- [Commits](Sphereon-Opensource/PEX@v2.1.0...v3.3.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

packages/credentials/package.json

@@ -75,7 +75,7 @@
     "node": ">=18.0.0"
   },
   "dependencies": {
-    "@sphereon/pex": "2.1.0",
+    "@sphereon/pex": "3.3.3",
     "@web5/common": "1.0.1",
     "@web5/crypto": "1.0.1",
     "@web5/dids": "1.1.0",