Update ux.symfony.com/config/packages/ux_icons.yaml

Co-authored-by: Simon André <[email protected]>

Author: seb-jean

ux.symfony.com/config/packages/ux_icons.yaml

@@ -1,7 +1,7 @@
 ux_icons:
     default_icon_attributes:
         class: 'Icon'
-        xmlns: 'http://www.w3.org/2000/svg'
+        xmlns: 'https://www.w3.org/2000/svg'
 
     icon_sets: