Bump myclabs/deep-copy from 1.13.3 to 1.13.4

Bumps [myclabs/deep-copy](https://github.com/myclabs/DeepCopy) from 1.13.3 to 1.13.4. - [Release notes](https://github.com/myclabs/DeepCopy/releases) - [Commits](myclabs/DeepCopy@1.13.3...1.13.4) --- updated-dependencies: - dependency-name: myclabs/deep-copy dependency-version: 1.13.4 dependency-type: direct:development update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]