LibraryDatabaseLoadingService should handle 502 from lib-jobs gracefully

[maxkadel]

Expected behavior

When retrieving the CSV from lib-jobs, if lib-jobs raises a 502 error, the service should re-try after a couple seconds.

Actual behavior

AllsearchAPI raises an error and does not continue trying to load the database entries.

Steps to replicate

n/a

Impact of this bug

Database information on the AllSearch might not be as up-to-date as expected.

Honeybadger link and code snippet, if applicable

Honeybadger error

OpenURI::HTTPError: 502 Bad Gateway
391 | throw :open_uri_redirect, loc_uri
-- | --
392 | else
393 | raise OpenURI::HTTPError.new(io.status.join(' '), io)
394 | end
395 | end

Implementation notes, if any