📖 Add more documentation for v1beta2 API changes (#12503)

* Add more documentation for v1beta2 API changes

# Conflicts:
#	docs/book/src/developer/providers/migrations/v1.10-to-v1.11.md

* Fix review findings

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Co-authored-by: Stefan Bueringer <buringerst@vmware.com>

Author: fabriziopandini