docs: update list of contributors

PR-URL: #5200

Reviewed-by: Philipp Burckhardt <pburckhardt@outlook.com>
Signed-off-by: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>

Author: stdlib-bot

CONTRIBUTORS

@@ -35,9 +35,12 @@ Dominik Moritz <domoritz@gmail.com>
 Dorrin Sotoudeh <dorrinsotoudeh123@gmail.com>
 EuniceSim142 <77243938+EuniceSim142@users.noreply.github.com>
 Frank Kovacs <fran70kk@gmail.com>
+GK Bishnoi <gkishan1kyt@gmail.com>
+Gaurav <gaurav70380@gmail.com>
 Golden Kumar <103646877+AuenKr@users.noreply.github.com>
 Gunj Joshi <gunjjoshi8372@gmail.com>
 Gururaj Gurram <gururajgurram1512@gmail.com>
+Harsh <149176984+hrshya@users.noreply.github.com>
 HarshaNP <96897754+GittyHarsha@users.noreply.github.com>
 Harshita Kalani <harshitakalani02@gmail.com>
 Hridyanshu <124202756+HRIDYANSHU054@users.noreply.github.com>