chore: bump signal-desktop to version 7.1.1

Author: snapcrafters-bot

snap/snapcraft.yaml

@@ -34,7 +34,7 @@ source-code: https://github.com//snapcrafters/signal-desktop
 license: AGPL-3.0-only
 adopt-info: signal-desktop
 icon: snap/gui/signal-desktop.png
-version: 7.0.0
+version: 7.1.1
 
 base: core22
 grade: stable