Add locale to the waybar clock (#1380)

Icelandic was not being picked up by the clock on waybar, this issue
contains more information.

Alexays/Waybar#2694 (comment)

Author: arni1981

config/waybar/config.jsonc

@@ -57,8 +57,8 @@
     "on-click": "alacritty -e btop"
   },
   "clock": {
-    "format": "{:%A %H:%M}",
-    "format-alt": "{:%d %B W%V %Y}",
+    "format": "{:L%A %H:%M}",
+    "format-alt": "{:L%d %B W%V %Y}",
     "tooltip": false,
     "on-click-right": "omarchy-cmd-tzupdate"
   },