docs: update list of contributors

PR-URL: #2755
Reviewed-by: Athan Reines <kgryte@gmail.com>
Signed-off-by: stdlib-bot <82920195+stdlib-bot@users.noreply.github.com>
Co-authored-by: Philipp Burckhardt <pburckhardt@outlook.com>

Author: stdlib-bot

CONTRIBUTORS

@@ -70,6 +70,7 @@ Roman Stetsyk <25715951+romanstetsyk@users.noreply.github.com>
 Rutam <138517416+performant23@users.noreply.github.com>
 Ryan Seal <splrk@users.noreply.github.com>
 Sai Srikar Dumpeti <80447788+the-r3aper7@users.noreply.github.com>
+SarthakPaandey <145528240+SarthakPaandey@users.noreply.github.com>
 Seyyed Parsa Neshaei <spneshaei@users.noreply.github.com>
 Shashank Shekhar Singh <shashankshekharsingh1205@gmail.com>
 Shivam <11shivam00@gmail.com>