Es-client

--------------------------

**Changes**

* Python module version bumps:
* ``elasticsearch8==8.15.1``
* ``pyyaml==6.0.2``
* ``certifi>=2024.8.30``

-----------------------

**Changes**

* Added ``commands.py`` as both a cleaner location for the ``show_all_options``
function, as well as a place it could be imported and re-used.
* Updated ``docs/example.rst`` and ``docs/tutorial.rst`` to reflect these
location changes.
* Updated ``pytest.ini`` to automatically look for and use ``.env`` for
environment variables for testing.
* Using versioned ``docker_test`` scripts now from
https://github.com/untergeek/es-docker-test-scripts

-----------------------

**Changes**

* Python module version bumps:
* ``elasticsearch8==8.15.0``
* Make execution scripts more consistent and PEP compliant.

----------------------

**Changes**

* Missed one instance of ``six`` module.

----------------------

**Changes**

* ``six`` module removed.
* Rolled back ``voluptuous`` to be ``>=0.14.2`` to work with Python 3.8

--------------------

**Changes**

* Python module version bumps:
* ``elasticsearch8==8.14.0``
* ``ecs-logging==2.2.0``
* ``voluptuous>=0.15.2``
* ``certifi>=2024.6.2``
* Updated remaining tests to Pytest-style formatting.
* Updated ``docker_test`` scripts to most recent updates.

**Bugfix**

* Fixed an error reported at https://github.com/elastic/curator/issues/1713
where providing an empty API ``token`` key would still result in the Builder
class method ``_check_api_key`` trying to extract data. Locally tracked at
https://github.com/untergeek/es_client/issues/66