chore: fix spelling (#1236)

Fixes an unfortunate typo introduced in #1234

Author: allan2

package/Linux/CHANGELOG.md

@@ -7,7 +7,7 @@
 - Removes prerm and postrm custom scripts in favour of scripts generated by dh_installsystemd, which handle systemd service setup and teardown.
 - Custom postinst script is retained, with the dh_installsystemd part pasted in.
 - Compat version is now specified in debian/control instead of a generated debian/compat file.
-- The systemd service is now retarted on package upgrade.
+- The systemd service is now restarted on package upgrade.
 
 ## 2025.1.1 (2025-02-05)