Update repo URL

seedlet-blocks/style.css

@@ -1,6 +1,6 @@
 /*
 Theme Name: Seedlet (Blocks)
-Theme URI: https://github.com/Automattic/themes-workspace/seedlet-blocks
+Theme URI: https://github.com/Automattic/themes/seedlet-blocks
 Author: Automattic
 Author URI: https://automattic.com/
 Description: A simple, text-driven, single-column block-based theme.