Bump url from 2.2.2 to 2.3.1 in /fog/ledger/enclave/trusted

Bumps [url](https://github.com/servo/rust-url) from 2.2.2 to 2.3.1.
- [Release notes](https://github.com/servo/rust-url/releases)
- [Commits](servo/rust-url@v2.2.2...v2.3.1)

---
updated-dependencies:
- dependency-name: url
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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