docs: update list of contributors

PR-URL: #1837

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

Author: stdlib-bot

CONTRIBUTORS

@@ -50,6 +50,7 @@ Pranav Goswami <goswami.4@iitj.ac.in>
 Praneki <97080887+PraneGIT@users.noreply.github.com>
 Pratik <97464067+Pratik772846@users.noreply.github.com>
 Priyansh <88396544+itsspriyansh@users.noreply.github.com>
+Raunak Kumar Gupta <95216822+raunak-dev-edu@users.noreply.github.com>
 Rejoan Sardar <119718513+Rejoan-Sardar@users.noreply.github.com>
 Ricky Reusser <rsreusser@gmail.com>
 Robert Gislason <gztown2216@yahoo.com>