Updated Tag fields link

[giucris]

Changed TagCategory to TagLabel on Tag fields description.

[agile-lab]

Why do you think is better to use tagLabel ? tagLabel is a schema, while tagProperty is an Entity and it seems to me more powerful than the other one

[giucris]

Hi @agile-lab.

I have taken inspiration from how open metadata uses tags.
For example in the definition of a table or its schema open metadata use the tagLabel (https://docs.open-metadata.org/metadata-standard/schemas/entities/table)

Since in the definition of the output schema we use the open metadata standard and therefore use taglabels this makes everything more straightforward. otherwise we would have, in our yaml, field tags that have to be composed differently, someone that use tagCategory some otherone that use tagLabel.

Furthermore, in this way could be possible to establish the construction of the TagCategory, the entities, only on the federated governance or at domain level, whereas in the data product and in all components we can only link to a predefined tag.