Fix atom feed spinach failure

What does this MR do?

Replaces all carriage returns in the expected commit description.

Is a partial fix to...

spinach 5 10 https://gitlab.com/gitlab-org/gitlab-ce/builds/5132637 - partial fix in !6910 (merged)

As you can see, the other half of the fix to this build is in !6910 (merged).

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

Failed spinach tests

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?