Update changelog

CHANGELOG.md

@@ -15,6 +15,7 @@
 - Add MediaTagService ([524c6d45](https://github.com/pixelfed/pixelfed/commit/524c6d45))
 - Add MediaBlocklist feature ([ba1f7e7e](https://github.com/pixelfed/pixelfed/commit/ba1f7e7e))
 - New Discover Layout, add trending hashtags, places and posts ([c251d41b](https://github.com/pixelfed/pixelfed/commit/c251d41b))
+- Add password change email notification. ([de1cca4f](https://github.com/pixelfed/pixelfed/commit/de1cca4f))
 
 ### Updated
 - Updated PostComponent, fix remote urls ([42716ccc](https://github.com/pixelfed/pixelfed/commit/42716ccc))