### Description

Add listeners for Datasets (events)

### Use case/motivation

As Airflow administrators, we would like to trigger some external processes based on all datasets being created/updated by our users. We came across the listeners for the dag runs and task instances (which are also useful), but are still missing listeners for datasets.

### Related issues

_No response_

### Are you willing to submit a PR?

- [ ] Yes I am willing to submit a PR!

### Code of Conduct

- [X] I agree to follow this project's [Code of Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)

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from __future__ import annotations
import logging
from typing import TYPE_CHECKING
import pluggy
from airflow.plugins_manager import integrate_listener_plugins
if TYPE_CHECKING:
    from pluggy._hooks import _HookRelay
log = logging.getLogger(__name__)
_listener_manager: ListenerManager | None = None
class ListenerManager: