3.0 release prep (#1272)

Author: isidentical

CHANGELOG.md

@@ -3,7 +3,7 @@
 This document records all notable changes to [HTTPie](https://httpie.io).
 This project adheres to [Semantic Versioning](https://semver.org/).
 
-## [3.0.0.dev0](https://github.com/httpie/httpie/compare/2.6.0...master) (unreleased)
+## [3.0.0](https://github.com/httpie/httpie/compare/2.6.0...3.0.0) (2022-01-21)
 
 - Dropped support for Python 3.6. ([#1177](https://github.com/httpie/httpie/issues/1177))
 - Improved startup time by 40%. ([#1211](https://github.com/httpie/httpie/pull/1211))

docs/README.md

@@ -260,7 +260,7 @@ Verify that now you have the [current development version identifier](https://gi
 
 ```bash
 $ http --version
-# 2.7.0.dev0
+# 3.0.0
 ```
 
 ## Usage

httpie/__init__.py

@@ -3,6 +3,6 @@
 
 """
 
-__version__ = '3.0.0.dev0'
+__version__ = '3.0.0'
 __author__ = 'Jakub Roztocil'
 __licence__ = 'BSD'