Merge pull request #1708 from dbcli/RW/prepare-release-v1-64-0

Prepare changelog for release v1.64.0

Author: rolandwalker

changelog.md

@@ -1,10 +1,10 @@
-Upcoming (TBD)
+1.64.0 (2026/03/13)
 ==============
 
 Features
 ---------
 * Add `-r` raw mode to `system` command.
-* Set timeouts, show exit codes, and better formatting for `system` commands.
+* Set timeouts, show exit codes, and improve formatting for `system` commands.
 * Add a dependencies section to `--checkup`.