The minimum version of module-shipper for this is 20.8.7, though the latest version is recommended. The install article also covers updating.
This article assumes that you are comfortable working with SQL and does not include example queries.
To preserve the data you may use whatever SQL tools you prefer to export the schema and data, drop the tables from the default database and import them into the sales database. The tables to moved are:
After moving these run the following commands:
php bin/magento setup:upgrade php bin/magento cache:clean
Then empty all the generated content directories
If you don’t need the data in these tables, you can uninstall and reinstall the extension. Finally, after uninstalling remove all references to ShipperHQ from the database (see “Option 1”, above for additional tables).