Upgrade to font awesome 6.3.0

Author: michaelspiss

example/lib/icons.dart

@@ -1301,6 +1301,7 @@ final icons = <ExampleIcon>[
   ExampleIcon(FontAwesomeIcons.objectUngroup, 'objectUngroup'),
   ExampleIcon(FontAwesomeIcons.octopusDeploy, 'octopusDeploy'),
   ExampleIcon(FontAwesomeIcons.odnoklassniki, 'odnoklassniki'),
+  ExampleIcon(FontAwesomeIcons.odysee, 'odysee'),
   ExampleIcon(FontAwesomeIcons.oilCan, 'oilCan'),
   ExampleIcon(FontAwesomeIcons.oilWell, 'oilWell'),
   ExampleIcon(FontAwesomeIcons.oldRepublic, 'oldRepublic'),
@@ -1753,6 +1754,7 @@ final icons = <ExampleIcon>[
   ExampleIcon(FontAwesomeIcons.stripe, 'stripe'),
   ExampleIcon(FontAwesomeIcons.stripeS, 'stripeS'),
   ExampleIcon(FontAwesomeIcons.stroopwafel, 'stroopwafel'),
+  ExampleIcon(FontAwesomeIcons.stubber, 'stubber'),
   ExampleIcon(FontAwesomeIcons.studiovinari, 'studiovinari'),
   ExampleIcon(FontAwesomeIcons.stumbleupon, 'stumbleupon'),
   ExampleIcon(FontAwesomeIcons.stumbleuponCircle, 'stumbleuponCircle'),