The issue is not reproducible in the latest version of ArcGIS Pro with the Postgresql 12.4 install from myesri. Refer to the following documentation to ensure proper environment specs and configuration:
https://desktop.arcgis.com/en/system-requirements/latest/database-requirements-postgresql.htm
https://pro.arcgis.com/en/pro-app/latest/help/data/geodatabases/manage-postgresql/setup-geodatabase-postgresql-windows.htm