Add the tech writers usernames in the doc_sytleguide doc

[ci skip]

doc/development/doc_styleguide.md

@@ -95,10 +95,10 @@ merge request.
   someone in the Merge Request
 - When introducing a new document, be careful for the headings to be
   grammatically and syntactically correct. It is advised to mention one or all
-  of the following GitLab members for a review: `@axil`, `@rspeicher`,
-  `@dblessing`, `@ashleys`. This is to ensure that no document
-  with wrong heading is going live without an audit, thus preventing dead links
-  and redirection issues when corrected
+  of the following GitLab members for a review: `@axil`, `@rspeicher`, `@marcia`,
+  `@SeanPackham`. This is to ensure that no document with wrong heading is going
+  live without an audit, thus preventing dead links and redirection issues when
+  corrected
 - Leave exactly one newline after a heading
 ## Links