refactor: use f notation instead of .format

pybis/src/python/pybis/attachment.py

pybis/src/python/pybis/attribute.py

pybis/src/python/pybis/data_set.py

pybis/src/python/pybis/dataset.py

pybis/src/python/pybis/definitions.py

pybis/src/python/pybis/entity_type.py

pybis/src/python/pybis/experiment.py

pybis/src/python/pybis/group.py

pybis/src/python/pybis/material.py

pybis/src/python/pybis/openbis_object.py

pybis/src/python/pybis/person.py

pybis/src/python/pybis/property.py

pybis/src/python/pybis/pybis.py

pybis/src/python/pybis/role_assignment.py

pybis/src/python/pybis/sample.py

pybis/src/python/pybis/semantic_annotation.py

pybis/src/python/pybis/space.py

pybis/src/python/pybis/things.py

pybis/src/python/pybis/utils.py

pybis/src/python/pybis/vocabulary.py