Ambiguous changelog from draft-3 to v1.0

In the Workflow docs it is stated that:

`The inputs and outputs fields have been renamed in and out.`

However this change has only been applied to workflow steps and not in other cases, where the fields are still named `inputs` and `outputs`

Start with the Workflow documentation passage describing the rename from `inputs` and `outputs` to `in` and `out`, then compare its wording with the other cases where those fields retain their original names. Done means the changelog clearly distinguishes the workflow-step change from the unchanged cases.

Written by the indexing model from the issue text.