Bump github.com/enterprise-contract/ec-cli from 0.5.128 to 0.6.60

Bumps [github.com/enterprise-contract/ec-cli](https://github.com/enterprise-contract/ec-cli) from 0.5.128 to 0.6.60.
- [Release notes](https://github.com/enterprise-contract/ec-cli/releases)
- [Commits](enterprise-contract/ec-cli@v0.5.128...v0.6.60)

---
updated-dependencies:
- dependency-name: github.com/enterprise-contract/ec-cli
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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