build(deps): bump github.com/imdario/mergo from 0.3.13 to 0.3.16 (#365)

Bumps [github.com/imdario/mergo](https://github.com/imdario/mergo) from 0.3.13 to 0.3.16.
- [Release notes](https://github.com/imdario/mergo/releases)
- [Commits](https://github.com/imdario/mergo/compare/v0.3.13...v0.3.16)

---
updated-dependencies:
- dependency-name: github.com/imdario/mergo
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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