add changelog

Author: missytake

ChangeLog

@@ -1,3 +1,11 @@
+2025-07-22 15:27:09 +0000 missytake <missytake@systemli.org> (429a5f971)
+
+    CI: build .deb and upload to download.delta.chat
+
+
+M	.github/workflows/build-deb.yml
+M	.github/workflows/build-deb-staging.yml
+
 2023-08-28 15:27:09 +0000 Marco Bettini <marco.bettini@open-xchange.com> (47349e2482)
 
     mail-crypt: mail_crypt_mailbox_allocated() - Force cross-user copies to