Update 1.20.3 changelog (#26609) (#26610)

Backport #26609 by @delvh

Co-authored-by: delvh <dev.lh@web.de>

CHANGELOG.md

@@ -4,13 +4,25 @@ This changelog goes through all the changes that have been made in each release
 without substantial changes to our git log; to see the highlights of what has
 been added to each release, please refer to the [blog](https://blog.gitea.com).
 
-## [1.20.3](https://github.com/go-gitea/gitea/releases/tag/v1.20.3) - 2023-08-07
+## [1.20.3](https://github.com/go-gitea/gitea/releases/tag/v1.20.3) - 2023-08-20
 
 * BREAKING
   * Fix the wrong derive path (#26271) (#26318)
 * SECURITY
   * Fix API leaking Usermail if not logged in (#25097) (#26350)
+* FEATURES
+  * Add ThreadID parameter for Telegram webhooks (#25996) (#26480)
 * ENHANCEMENTS
+  * Add minimum polyfill to support "relative-time-element" in PaleMoon (#26575) (#26578)
+  * Fix dark theme highlight for "NameNamespace" (#26519) (#26527)
+  * Detect ogg mime-type as audio or video (#26494) (#26505)
+  * Use `object-fit: contain` for oauth2 custom icons (#26493) (#26498)
+  * Move dropzone progress bar to bottom to show filename when uploading (#26492) (#26497)
+  * Remove last newline from config file (#26468) (#26471)
+  * Minio: add missing region on client initialization (#26412) (#26438)
+  * Add pull request review request webhook event (#26401) (#26407)
+  * Fix text truncate (#26354) (#26384)
+  * Fix incorrect color of selected assignees when create issue (#26324) (#26372)
   * Display human-readable text instead of cryptic filemodes (#26352) (#26358)
   * Hide `last indexed SHA` when a repo could not be indexed yet (#26340) (#26345)
   * Fix the topic validation rule and suport dots (#26286) (#26303)
@@ -19,6 +31,23 @@ been added to each release, please refer to the [blog](https://blog.gitea.com).
   * Fix commit compare style (#26209) (#26226)
   * Warn instead of reporting an error when a webhook cannot be found (#26039) (#26211)
 * BUGFIXES
+  * Use "input" event instead of "keyup" event for migration form (#26602) (#26605)
+  * Do not use deprecated log config options by default (#26592) (#26600)
+  * Fix "issueReposQueryPattern does not match query" (#26556) (#26564)
+  * Sync repo's IsEmpty status correctly (#26517) (#26560)
+  * Fix project filter bugs (#26490) (#26558)
+  * Use `hidden` over `clip` for text truncation (#26520) (#26522)
+  * Set "type=button" for editor's toolbar buttons (#26510) (#26518)
+  * Fix NuGet search endpoints (#25613) (#26499)
+  * Fix storage path logic especially for relative paths (#26441) (#26481)
+  * Close stdout correctly for "git blame" (#26470) (#26473)
+  * Check first if minio bucket exists before trying to create it (#26420) (#26465)
+  * Avoiding accessing undefined tributeValues #26461 (#26462)
+  * Call git.InitSimple for runRepoSyncReleases (#26396) (#26450)
+  * Add transaction when creating pull request created dirty data (#26259) (#26437)
+  * Fix wrong middleware sequence (#26428) (#26436)
+  * Fix admin queue page title and fix CI failures (#26409) (#26421)
+  * Introduce ctx.PathParamRaw to avoid incorrect unescaping (#26392) (#26405)
   * Bypass MariaDB performance bug of the "IN" sub-query, fix incorrect IssueIndex (#26279) (#26368)
   * Fix incorrect CLI exit code and duplicate error message (#26346) (#26347)
   * Prevent newline errors with Debian packages (#26332) (#26342)
@@ -31,6 +60,8 @@ been added to each release, please refer to the [blog](https://blog.gitea.com).
   * Fix attachment clipboard copy on insecure origin (#26224) (#26231)
   * Fix access check for org-level project (#26182) (#26223)
 * MISC
+  * Improve profile readme rendering (#25988) (#26453)
+  * [docs] Add missing backtick in quickstart.zh-cn.md (#26349) (#26357)
   * Upgrade x/net to 0.13.0 (#26301)
 
 ## [1.20.2](https://github.com/go-gitea/gitea/releases/tag/v1.20.2) - 2023-07-29