Bump to development version (2.1.2.dev0)

Author: hikari-bot[bot]

hikari/_about.py

@@ -34,10 +34,10 @@
 __copyright__: typing.Final[str] = "2021-present, davfsa"
 __coverage__: typing.Final[str] = "https://codeclimate.com/github/hikari-py/hikari"
 __discord_invite__: typing.Final[str] = "https://discord.gg/Jx4cNGG"
-__docs__: typing.Final[str] = "https://docs.hikari-py.dev/en/2.1.1"
+__docs__: typing.Final[str] = "https://docs.hikari-py.dev/en/master"
 __email__: typing.Final[str] = "davfsa@gmail.com"
 __issue_tracker__: typing.Final[str] = "https://github.com/hikari-py/hikari/issues"
 __license__: typing.Final[str] = "MIT"
 __url__: typing.Final[str] = "https://github.com/hikari-py/hikari"
-__version__: typing.Final[str] = "2.1.1"
+__version__: typing.Final[str] = "2.1.2.dev0"
 __git_sha1__: typing.Final[str] = "HEAD"