[BUG] site module does not use required parameter message_broker_port for Checkmk 2.4.0 sites

[robin-checkmk]

Describe the bug

Checkmk 2.4.0 introduces a new required parameter for site connections: `message_broker_port´
Running the collection against a 2.4.0 site leads to the error seen below.

Component Name

Component Name: site

Ansible Version

$ ansible --version

Checkmk Version and Edition

2.4.0

Collection Version

$ ansible-galaxy collection list

To Reproduce
Steps to reproduce the behavior:

1. Take a look at this GitHub Actions run.

Expected behavior

The module should detect the Checkmk version and use the message_broker_port option accordingly.

Actual behavior

"msg": "400 - Bad request: Parameter or validation failure Details: b'{\"title\": \"Bad Request\", \"status\": 400, \"detail\": \"These fields have problems: site_config\", \"fields\": {\"site_config\": {\"configuration_connection\": {\"message_broker_port\": [\"Missing data for required field.\"]}}}}'"

Minimum reproduction example

See the linked GitHub Actions run above.

Additional context