### 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)

Any,
    Callable,
    Collection,
    Container,
    Iterable,
    Iterator,
    List,
    Pattern,
    Sequence,
    Union,
    cast,
    overload,
)
from urllib.parse import urlsplit
import jinja2
import pendulum
import re2
from dateutil.relativedelta import relativedelta
from sqlalchemy import (
    Boolean,
    Column,
    ForeignKey,
    Index,
    Integer,
    String,
    Text,
    and_,
    case,
    func,
    not_,