chore(deps): update dependency python-telegram-bot to v21.3 (#152)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [python-telegram-bot](https://python-telegram-bot.org/)
([source](https://togithub.com/python-telegram-bot/python-telegram-bot),
[changelog](https://docs.python-telegram-bot.org/en/stable/changelog.html))
| `==21.2` -> `==21.3` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/python-telegram-bot/21.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/python-telegram-bot/21.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/python-telegram-bot/21.2/21.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/python-telegram-bot/21.2/21.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>python-telegram-bot/python-telegram-bot
(python-telegram-bot)</summary>

###
[`v21.3`](https://togithub.com/python-telegram-bot/python-telegram-bot/blob/HEAD/CHANGES.rst#Version-213)

[Compare
Source](https://togithub.com/python-telegram-bot/python-telegram-bot/compare/v21.2...v21.3)

\============
*Released 2024-06-07*

This is the technical changelog for version 21.3. More elaborate release
notes can be found in the news channel `@pythontelegrambotchannel
<https://t.me/pythontelegrambotchannel>`\_.

## Major Changes

- Full Support for Bot API 7.4 (:pr:`4286`, :pr:`4276` closes
:issue:`4275`, :pr:`4285`, :pr:`4283`, :pr:`4280`, :pr:`4278`,
:pr:`4279`)
-   Deprecate `python-telegram-bot-raw` (:pr:`4270`)
- Remove Functionality Deprecated in Bot API 7.3 (:pr:`4266` closes
:issue:`4244`)

## New Features

- Add Parameter `chat_id` to `ChatMemberHandler` (:pr:`4290` by
`uniquetrij <https://github.com/uniquetrij>`\_ closes :issue:`4287`)

## Documentation Improvements

-   Documentation Improvements (:pr:`4264` closes :issue:`4240`)

## Internal Changes

-   Add `setuptools` to `requirements-dev.txt` (:pr:`4282`)
-   Update Settings for pre-commit.ci (:pr:`4265`)

## Dependency Updates

-   Bump `pytest` from 8.2.0 to 8.2.1 (:pr:`4272`)

</details>

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setup.py

@@ -124,7 +124,7 @@ def read(fname, encoding="ascii"):
                 "irc==20.3.0",
             ],
             "telegram": [
-                "python-telegram-bot==21.2",
+                "python-telegram-bot==21.3",
             ],
             "XMPP": [
                 "slixmpp==1.8.5",