Add 1.28.0 release

Add post for 1.28.0 release and update download link.

Signed-off-by: Chris Packham <judge.packham@gmail.com>

Author: cpackham

_pages/download.md

@@ -9,7 +9,7 @@ Getting a released version
 --------------------------
 
 Released versions are available for download [here](http://crosstool-ng.org/download/crosstool-ng/).
-The latest stable release is [1.27.0](http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.27.0.tar.xz).
+The latest stable release is [1.28.0](http://crosstool-ng.org/download/crosstool-ng/crosstool-ng-1.28.0.tar.xz).
 
 Getting the latest development version
 --------------------------------------

_posts/2025-09-06-release-1.28.0.md

@@ -0,0 +1,21 @@
+---
+title: Released 1.28.0
+formats: [ 'bz2', 'xz' ]
+digest:  [ 'md5', 'sha1', 'sha512' ]
+hassig: true
+---
+{% include release.html %}
+
+## Highlights
+
+- GCC 15.2
+- binutils 2.45
+- GNU libc 2.42
+- uClibc-ng 1.0.54
+- mold 2.40.4
+
+## Notes
+
+When updating an existing config from 1.27.0 run `ct-ng upgradeconfig`.
+
+[**Full Changelog**](https://github.com/crosstool-ng/crosstool-ng/compare/crosstool-ng-1.27.0...crosstool-ng-1.28.0)