fix(nix-monitor): change notification messages

nix-monitor/plugin.toml

@@ -1,6 +1,6 @@
 id              = "avivbintangaringga/nix-monitor"
 name            = "Nix Monitor"
-version         = "1.1.0"
+version         = "1.1.1"
 min_noctalia    = "5.0.0"
 icon            = "package"
 author          = "avivbintangaringga"

nix-monitor/translations/en.json

@@ -3,9 +3,9 @@
   "bar.update_available": "Update available!",
   "bar.up_to_date": "Up to date",
   "bar.unknown": "Unknown",
-  "notification.checking_update": "Checking update...",
-  "notification.update_is_available": "Update is available!",
-  "notification.update_check_completed": "Update check completed!",
+  "notification.checking_update": "Checking NixOS update...",
+  "notification.update_is_available": "NixOS update is available!",
+  "notification.update_check_completed": "NixOS update check completed!",
   "notification.update_command_is_empty": "Update command is empty!",
   "notification.clean_command_is_empty": "Clean command is empty!",
   "panel.title": "Nix Monitor",