Use HTTPS GNOME source for libxslt

Update the libxslt recipe source URL to the HTTPS GNOME mirror and .tar.xz archive (libxslt-1.1.32). This replaces the previous http://xmlsoft.org tar.gz link with a secure, canonical download location while keeping the package version unchanged.

Author: FeodorFitsner

recipes/flet-libxslt/meta.yaml

@@ -3,7 +3,7 @@ package:
   version: 1.1.32
 
 source:
-  url: http://xmlsoft.org/download/libxslt-1.1.32.tar.gz
+  url: https://download.gnome.org/sources/libxslt/1.1/libxslt-1.1.32.tar.xz
 
 requirements:
   host: