Update version number

Author: qiaojunfeng

CHANGELOG.md

@@ -1,3 +1,17 @@
+# v2.2.0
+
+## What's Changed
+* Lower python version due to readthedocs by @qiaojunfeng in https://github.com/aiidateam/aiida-wannier90/pull/119
+* Fix codecov by @qiaojunfeng in https://github.com/aiidateam/aiida-wannier90/pull/120
+* Edit the retrieve_list to include more werr files by @jiang-yuha0 in https://github.com/aiidateam/aiida-wannier90/pull/121
+* Support Python 3.12, drop 3.8 by @qiaojunfeng in https://github.com/aiidateam/aiida-wannier90/pull/123
+* Use fixed number of digits for kpoint coordinates by @qiaojunfeng in https://github.com/aiidateam/aiida-wannier90/pull/122
+
+## New Contributors
+* @jiang-yuha0 made their first contribution in https://github.com/aiidateam/aiida-wannier90/pull/121
+
+**Full Changelog**: https://github.com/aiidateam/aiida-wannier90/compare/v2.1.0...v2.2.0
+
 # v2.1.0
 
 ## New features

src/aiida_wannier90/__init__.py

@@ -30,7 +30,7 @@
 
 __authors__ = "The AiiDA team."
 __license__ = "MIT License, see LICENSE.txt file."
-__version__ = "2.1.0"
+__version__ = "2.2.0"
 
 from . import calculations, io, orbitals, parsers, utils