fix issue #30083 handle parsing OpenBSD ps output properly to display sidekiq

What does this MR do?

Handle the slightly different output of ps on OpenBSD so that the admin->monitoring->background jobs sidekiq info is properly filled. See issue #30083 (closed)

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

One of the fields in the regex macro was made non-greedy, but tests are still green, additionally a test was added for OpenBSD ps output.

Why was this MR needed?

output of OpenBSD ps utility is slightly different.

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• 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?

fixes issue #30083 (closed)