docs: update list of contributors

PR-URL: #2044

---------

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

Author: stdlib-bot

CONTRIBUTORS

@@ -54,6 +54,7 @@ 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>
+Pushpendra Chandravanshi <pushpendrachandravanshi4@gmail.com>
 Raunak Kumar Gupta <raunakmodanwal321@gmail.com>
 Rejoan Sardar <119718513+Rejoan-Sardar@users.noreply.github.com>
 Ricky Reusser <rsreusser@gmail.com>
@@ -72,6 +73,7 @@ Spandan Barve <contact@marsian.dev>
 Stephannie Jiménez Gacha <steff456@hotmail.com>
 Suraj kumar <125961509+kumarsuraj212003@users.noreply.github.com>
 Tirtadwipa Manunggal <tirtadwipa.manunggal@gmail.com>
+Tudor Pagu <104032457+tudor-pagu@users.noreply.github.com>
 Utkarsh <http://utkarsh11105@gmail.com>
 Utkarsh Raj <rajutkarsh2505@gmail.com>
 Varad Gupta <varadgupta21@gmail.com>