Documentation: Add v2.20.11 changelog (#12356)

* Changelog v2.20.11 - GHA

* Update changelog for version 2.20.11

Added security advisory and fixed dropdown list issues.

---------

Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

docs/changelog.md

@@ -1,5 +1,29 @@
 # Changelog
 
+## paperless-ngx 2.20.11
+
+### Security
+
+-   Resolve [GHSA-59xh-5vwx-4c4q](https://github.com/paperless-ngx/paperless-ngx/security/advisories/GHSA-59xh-5vwx-4c4q)
+
+### Bug Fixes
+
+-   Fix: correct dropdown list active color in dark mode [@shamoon](https://github.com/shamoon) ([#12328](https://github.com/paperless-ngx/paperless-ngx/pull/12328))
+-   Fixhancement: clear descendant selections in dropdown when parent toggled [@shamoon](https://github.com/shamoon) ([#12326](https://github.com/paperless-ngx/paperless-ngx/pull/12326))
+-   Fix: prevent wrapping with larger amounts of tags on small cards, reset moreTags setting to correct count [@shamoon](https://github.com/shamoon) ([#12302](https://github.com/paperless-ngx/paperless-ngx/pull/12302))
+-   Fix: prevent stale db filename during workflow actions [@shamoon](https://github.com/shamoon) ([#12289](https://github.com/paperless-ngx/paperless-ngx/pull/12289))
+
+### All App Changes
+
+<details>
+<summary>4 changes</summary>
+
+-   Fix: correct dropdown list active color in dark mode [@shamoon](https://github.com/shamoon) ([#12328](https://github.com/paperless-ngx/paperless-ngx/pull/12328))
+-   Fixhancement: clear descendant selections in dropdown when parent toggled [@shamoon](https://github.com/shamoon) ([#12326](https://github.com/paperless-ngx/paperless-ngx/pull/12326))
+-   Fix: prevent wrapping with larger amounts of tags on small cards, reset moreTags setting to correct count [@shamoon](https://github.com/shamoon) ([#12302](https://github.com/paperless-ngx/paperless-ngx/pull/12302))
+-   Fix: prevent stale db filename during workflow actions [@shamoon](https://github.com/shamoon) ([#12289](https://github.com/paperless-ngx/paperless-ngx/pull/12289))
+</details>
+
 ## paperless-ngx 2.20.10
 
 ### Bug Fixes