Add Apache Kyuubi Provider

[MonsterChenzhuo]

Description

This PR introduces a new provider for Apache Kyuubi.

Kyuubi is a distributed and multi-tenant gateway to provide serverless SQL on Lakehouses. It is compatible with the HiveServer2 protocol.

While the Hive provider can be used to connect to Kyuubi, Kyuubi often uses its own beeline executable or requires specific configurations. This provider adds a dedicated KyuubiHook and KyuubiOperator to streamline the integration and allow users to configure the specific path to the Kyuubi Beeline executable via the UI.

Changes

Added apache-airflow-providers-apache-kyuubi provider structure.
Implemented KyuubiHook (inherits from HiveCliHook):

• Adds a custom connection form widget beeline_path.
• Overrides command preparation to use the custom Beeline path if configured.
• Implemented KyuubiOperator (inherits from HiveOperator).
• Added Unit Tests for Hook and Operator.
• Added Documentation (Connection, Operator, Index).

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[tirkarthi]

Please go through the guidelines for a new provider which requires a discussion and vote in the mailing list. Please link here if there are any existing discussions.

https://github.com/apache/airflow/blob/main/PROVIDERS.rst#accepting-new-community-providers

[jscheffl]

Additionally besides topping a discussion to devlist also global CI parts are missing, e.g. Codeowners, labels and pipeline additions. See #57610 as an example

[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed in 5 days if no further activity occurs. Thank you for your contributions.

[kaxil]

@MonsterChenzhuo Would love to help see this over the line if you are still interested

[potiuk]

@MonsterChenzhuo A few things need addressing before review — see our Pull Request quality criteria.

• ❌ Image build. See docs.

No rush.

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[github-actions]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed in 5 days if no further activity occurs. Thank you for your contributions.