Update content/posts/weekly/June-2023.md

Co-authored-by: František Lachman <[email protected]>

content/posts/weekly/June-2023.md

@@ -40,6 +40,14 @@ weight: 51
 - Many dashboard issues have been fixed during the
   [Contribute to an Open Source Service](https://sched.co/1MvMM)
   workshop at [DevConf.CZ](https://www.devconf.info/cz/).
+  [Stef Walter](https://github.com/stefwalter),
+  [Erik Gustavsson](https://github.com/SpyTec),
+  [Roman Braunstingl](https://github.com/RFJBraunstingl),
+  [Jaroslav Reznik](https://github.com/jreznik),
+  [Christophe de Dinechin](https://github.com/c3d),
+  [Gris Ge](https://github.com/cathay4t)
+  and [David Duncan](https://github.com/davdunc),
+  thank you for your contribution!
   ([dashboard#291](https://github.com/packit/dashboard/pull/291),
   [dashboard#292](https://github.com/packit/dashboard/pull/292),
   [dashboard#293](https://github.com/packit/dashboard/pull/293),