Documentation: Add v2.20.1 changelog (#11510)

* Changelog v2.20.1 - GHA

* Update changelog.md

---------

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 +1,30 @@
 # Changelog
 
+## paperless-ngx 2.20.1
+
+### Bug Fixes
+
+-   Fix: set search term when using advanced search from global search [@shamoon](https://github.com/shamoon) ([#11503](https://github.com/paperless-ngx/paperless-ngx/pull/11503))
+-   Fix: change async handling of select custom field updates [@shamoon](https://github.com/shamoon) ([#11490](https://github.com/paperless-ngx/paperless-ngx/pull/11490))
+-   Fix: skip SSL for MariaDB ping in init script [@danielrheinbay](https://github.com/danielrheinbay) ([#11491](https://github.com/paperless-ngx/paperless-ngx/pull/11491))
+-   Fix: handle allauth groups location breaking change [@shamoon](https://github.com/shamoon) ([#11471](https://github.com/paperless-ngx/paperless-ngx/pull/11471))
+
+### Dependencies
+
+-   docker(deps): Bump astral-sh/uv from 0.9.10-python3.12-trixie-slim to 0.9.11-python3.12-trixie-slim @[dependabot[bot]](https://github.com/apps/dependabot) ([#11450](https://github.com/paperless-ngx/paperless-ngx/pull/11450))
+-   Chore(deps): Bump @angular/common from 20.3.12 to 20.3.14 in /src-ui @[dependabot[bot]](https://github.com/apps/dependabot) ([#11481](https://github.com/paperless-ngx/paperless-ngx/pull/11481))
+
+### All App Changes
+
+<details>
+<summary>4 changes</summary>
+
+-   Fix: set search term when using advanced search from global search [@shamoon](https://github.com/shamoon) ([#11503](https://github.com/paperless-ngx/paperless-ngx/pull/11503))
+-   Fix: change async handling of select custom field updates [@shamoon](https://github.com/shamoon) ([#11490](https://github.com/paperless-ngx/paperless-ngx/pull/11490))
+-   Chore(deps): Bump @angular/common from 20.3.12 to 20.3.14 in /src-ui @[dependabot[bot]](https://github.com/apps/dependabot) ([#11481](https://github.com/paperless-ngx/paperless-ngx/pull/11481))
+-   Fix: handle allauth groups location breaking change [@shamoon](https://github.com/shamoon) ([#11471](https://github.com/paperless-ngx/paperless-ngx/pull/11471))
+</details>
+
 ## paperless-ngx 2.20.0
 
 ### Notable Changes