Would add the following to sub_dir/go.mod: 1.1.0
Would add the following to CHANGELOG.md: 
## 1.1.0 ([DATE])

### Features

- New feature

Would add files to git:
  sub_dir/go.mod
  CHANGELOG.md
Would create Git tag sub_dir/v1.1.0
Would create Git tag v1.1.0
