Bump cc from 1.0.72 to 1.0.73 in /fog/ledger/enclave/trusted

Bumps [cc](https://github.com/alexcrichton/cc-rs) from 1.0.72 to 1.0.73.
- [Release notes](https://github.com/alexcrichton/cc-rs/releases)
- [Commits](rust-lang/cc-rs@1.0.72...1.0.73)

---
updated-dependencies:
- dependency-name: cc
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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