Update WorkflowHub IDs

Author: github-actions[bot]

metadata/workflowhub.yml

@@ -48,6 +48,7 @@ contributing/create-new-tutorial/galaxy-workflow-makeafakeinput: '1629'
 contributing/create-new-tutorial/main-workflow: '1625'
 data-science/data-manipulation-olympics/data-manipulation-olympics-with-exercises: '1601'
 digital-humanities/introduction_to_dh/introduction-to-digital-humanities: '1953'
+digital-humanities/open-refine-tutorial/visualise-amount-of-objects-in-museum-collection: '1964'
 digital-humanities/text_mining_chinese/main-workflow: '1623'
 ecology/Ecoregionalization_tutorial/ecoregionalization-workflow: '1680'
 ecology/Obitools-metabarcoding/main-workflow: '1702'