Order swagger docs by path lexicographically [skip ci]

[fisx]

https://wearezeta.atlassian.net/browse/BE-545

Checklist

• [ ] The PR Title explains the impact of the change.
• [ ] The PR description provides context as to why the change should occur and what the code contributes to that effect. This could also be a link to a JIRA ticket or a Github issue, if there is one.
• [ ] changelog.d contains the following bits of information (details):
  • [ ] A file with the changelog entry in one or more suitable sub-sections. The sub-sections are marked by directories inside changelog.d.

[fisx]

swagger.json.zip

[fisx]

this is long done elsewhere