update changelog for 0.22.0 changes

    This commit was created by changelog-from-release in 'Post-release' CI workflow

Author: aloctavodia

CHANGELOG.md

@@ -1,3 +1,26 @@
+<a id="0.22.0"></a>
+# [0.22.0](https://github.com/arviz-devs/preliz/releases/tag/0.22.0) - 2025-10-21
+
+## What's Changed
+
+###  Maintenance and bug fixes
+
+* Remove mode argument previously deprecated by [@aloctavodia](https://github.com/aloctavodia) in [#691](https://github.com/arviz-devs/preliz/pull/691)
+* Updated import by [@Michal-Novomestsky](https://github.com/Michal-Novomestsky) in [#694](https://github.com/arviz-devs/preliz/pull/694)
+
+### Documentation
+
+* Add placeholder for scaled inverse chi2 gallery page. by [@aloctavodia](https://github.com/aloctavodia) in [#690](https://github.com/arviz-devs/preliz/pull/690)
+* Correct two typos [@star1327p](https://github.com/star1327p) in [#692](https://github.com/arviz-devs/preliz/pull/692)
+
+## New Contributors
+* [@Michal-Novomestsky](https://github.com/Michal-Novomestsky) made their first contribution in [#694](https://github.com/arviz-devs/preliz/pull/694)
+
+**Full Changelog**: https://github.com/arviz-devs/preliz/compare/0.21.0...0.22.0
+
+[Changes][0.22.0]
+
+
 <a id="0.21.0"></a>
 # [0.21.0](https://github.com/arviz-devs/preliz/releases/tag/0.21.0) - 2025-09-05
 
@@ -891,6 +914,7 @@ Full Changelog**: https://github.com/arviz-devs/preliz/compare/0.7.0...0.8.0
 [Changes][0.0.2]
 
 
+[0.22.0]: https://github.com/arviz-devs/preliz/compare/0.21.0...0.22.0
 [0.21.0]: https://github.com/arviz-devs/preliz/compare/0.20.0...0.21.0
 [0.20.0]: https://github.com/arviz-devs/preliz/compare/0.19.0...0.20.0
 [0.19.0]: https://github.com/arviz-devs/preliz/compare/0.18.0...0.19.0
@@ -930,4 +954,4 @@ Full Changelog**: https://github.com/arviz-devs/preliz/compare/0.7.0...0.8.0
 [0.0.3]: https://github.com/arviz-devs/preliz/compare/0.0.2...0.0.3
 [0.0.2]: https://github.com/arviz-devs/preliz/tree/0.0.2
 
-<!-- Generated by https://github.com/rhysd/changelog-from-release v3.9.0 -->
+<!-- Generated by https://github.com/rhysd/changelog-from-release v3.9.1 -->