[CoLab] update bioRxiv search query
Description; a review of the search results found the query to yield unsuitable preprints for review. The search query to be updated as follows; TBC
- On the first 'refresh' preprints (results) should be pulled for the past 6 months only.
- on the second import onwards, results should be pulled that accounts for the time between import dates. Clicking on 'Refresh' should display results that fall between the date of the last 'Refresh' and the most recent 'Refresh' actions.