Add more backslashes to the rummager checks
Add more backslashes to the rummager checks

The previous fix resulted in ''' reaching Icinga, whereas what was
intended was '\''. Maybe adding an extra set of backslashes will help.

alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet,alphagov/govuk-puppet