Make error logging fields consistent in failed JIRA requests

The log messages were being dropped because the `error` type was
expected to be an object, not a string. We standardize on the same
format used throughout the Rails code.

Relates to
https://gitlab.com/gitlab-com/gl-infra/infrastructure/-/issues/11507

app/services/jira/requests/base.rb

@@ -40,7 +40,12 @@ module Jira
         build_service_response(response)
       rescue Timeout::Error, Errno::EINVAL, Errno::ECONNRESET, Errno::ECONNREFUSED, URI::InvalidURIError, JIRA::HTTPError, OpenSSL::SSL::SSLError => error
         error_message = "Jira request error: #{error.message}"
-        log_error("Error sending message", client_url: client.options[:site], error: error_message)
+        log_error("Error sending message", client_url: client.options[:site],
+                  error: {
+                    exception_class: error.class.name,
+                    exception_message: error.message,
+                    exception_backtrace: Gitlab::BacktraceCleaner.clean_backtrace(error.backtrace)
+                  })
         ServiceResponse.error(message: error_message)
       end
 

spec/services/jira/requests/projects/list_service_spec.rb

@@ -45,6 +45,10 @@ RSpec.describe Jira::Requests::Projects::ListService do
           end
 
           it 'returns an error response' do
+            expect(Gitlab::ProjectServiceLogger).to receive(:error).with(
+              hash_including(
+                error: hash_including(:exception_class, :exception_message, :exception_backtrace)))
+              .and_call_original
             expect(subject.error?).to be_truthy
             expect(subject.message).to eq('Jira request error: Timeout::Error')
           end