docs: update list of contributors

PR-URL: #8197
Reviewed-by: Athan Reines <kgryte@gmail.com>

Author: stdlib-bot

CONTRIBUTORS

@@ -191,6 +191,7 @@ Shivam Ahir <11shivam00@gmail.com>
 Shivansh <114570926+shiv343@users.noreply.github.com>
 Shraddheya Shendre <shendreshraddheya@gmail.com>
 Shubh Mehta <93862397+Shubh942@users.noreply.github.com>
+Shubham <b4mshubham@gmail.com>
 Shubham Mishra <shubh622005@gmail.com>
 Siddhesh waje <117733253+siddhesh434@users.noreply.github.com>
 Sivam Das <100067002+Sivam2313@users.noreply.github.com>