Bump enclave-runtime in /enclaves/ethereum/enclave

Bumps [enclave-runtime](https://github.com/datachainlab/lcp) from v0.2.12 to v0.2.16.
- [Release notes](https://github.com/datachainlab/lcp/releases)
- [Commits](datachainlab/lcp@a41fceb...f37415b)

---
updated-dependencies:
- dependency-name: enclave-runtime
  dependency-version: f37415b0ffb0662ca0f181f72a7d5974cda7df3d
  dependency-type: direct:production
...

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Author: dependabot[bot]