docs: update CHANGELOG and "What's new?"

CHANGELOG.md

@@ -3,6 +3,16 @@ All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 This file follows the formats and conventions from [keepachangelog.com]
 
+## [3.1.1] 2021-06-11
+
+### Fixed
+
+* Allow to stop/abort macro executing other hooked macros (#1603, #1608)
+
+### Deprecated
+
+* `MacroExecutor.clearRunningMacro()` in favor of `MacroExecutor.clearMacroStack()` (#1608)
+
 ## [3.1.0] 2021-05-17
 
 ### Added
@@ -1047,6 +1057,7 @@ Main improvements since sardana 1.5.0 (aka Jan15):
 
 
 [keepachangelog.com]: http://keepachangelog.com
+[3.1.1]: https://github.com/sardana-org/sardana/compare/3.1.1...3.1.0
 [3.1.0]: https://github.com/sardana-org/sardana/compare/3.1.0...3.0.3
 [3.0.3]: https://github.com/sardana-org/sardana/compare/3.0.3...2.8.6
 [2.8.6]: https://github.com/sardana-org/sardana/compare/2.8.6...2.8.5

doc/source/news.rst

@@ -6,6 +6,21 @@ Below you will find the most relevant news that brings the Sardana releases.
 For a complete list of changes consult the Sardana `CHANGELOG.md \
 <https://github.com/sardana-org/sardana/blob/develop/CHANGELOG.md>`_ file.
 
+****************************
+What's new in Sardana 3.1.1?
+****************************
+
+Date: 2021-06-11
+
+Type: hotfix release
+
+Fixed
+=====
+
+- Correctly handle stop/abort of macros e.g. ``Ctrl+c`` in Spock in case
+  the macro was executing another hooked macros e.g. a scan executing a general
+  hook.
+
 **************************
 What's new in Sardana 3.1?
 **************************