Bump bot api version number

README.rst

@@ -14,7 +14,7 @@
    :target: https://pypi.org/project/python-telegram-bot/
    :alt: Supported Python versions
 
-.. image:: https://img.shields.io/badge/Bot%20API-7.2-blue?logo=telegram
+.. image:: https://img.shields.io/badge/Bot%20API-7.3-blue?logo=telegram
    :target: https://core.telegram.org/bots/api-changelog
    :alt: Supported Bot API versions
 
@@ -89,7 +89,7 @@ Installing both ``python-telegram-bot`` and ``python-telegram-bot-raw`` in conju
 Telegram API support
 ====================
 
-All types and methods of the Telegram Bot API **7.2** are supported.
+All types and methods of the Telegram Bot API **7.3** are supported.
 
 Installing
 ==========

README_RAW.rst

@@ -14,9 +14,9 @@
    :target: https://pypi.org/project/python-telegram-bot-raw/
    :alt: Supported Python versions
 
-.. image:: https://img.shields.io/badge/Bot%20API-7.2-blue?logo=telegram
+.. image:: https://img.shields.io/badge/Bot%20API-7.3-blue?logo=telegram
    :target: https://core.telegram.org/bots/api-changelog
-   :alt: Supported Bot API versions
+   :alt: Supported Bot API version
 
 .. image:: https://img.shields.io/pypi/dm/python-telegram-bot-raw
    :target: https://pypistats.org/packages/python-telegram-bot-raw
@@ -85,7 +85,7 @@ Installing both ``python-telegram-bot`` and ``python-telegram-bot-raw`` in conju
 Telegram API support
 ====================
 
-All types and methods of the Telegram Bot API **7.2** are supported.
+All types and methods of the Telegram Bot API **7.3** are supported.
 
 Installing
 ==========

telegram/constants.py

@@ -142,7 +142,7 @@ class _AccentColor(NamedTuple):
 #: :data:`telegram.__bot_api_version_info__`.
 #:
 #: .. versionadded:: 20.0
-BOT_API_VERSION_INFO: Final[_BotAPIVersion] = _BotAPIVersion(major=7, minor=2)
+BOT_API_VERSION_INFO: Final[_BotAPIVersion] = _BotAPIVersion(major=7, minor=3)
 #: :obj:`str`: Telegram Bot API
 #: version supported by this version of `python-telegram-bot`. Also available as
 #: :data:`telegram.__bot_api_version__`.