[Doc Request]: current state of Pulsar support not in doc

[hpvd]

What would you like to happen?

Current state of pulsar support is not available in doc/ beams i/o connector matrix on
https://beam.apache.org/documentation/io/connectors/
would be great to add it.

Overview on the state: #31078

Issue Priority

Priority: 2 (default / most feature requests should be filed as P2)

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