docs: update list of contributors

PR-URL: #7138

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

Author: stdlib-bot

CONTRIBUTORS

@@ -172,7 +172,9 @@ Tanishq Ahuja <68651083+TheGEN1U5@users.noreply.github.com>
 Tirtadwipa Manunggal <tirtadwipa.manunggal@gmail.com>
 Tudor Pagu <104032457+tudor-pagu@users.noreply.github.com>
 Tufailahmed Bargir <142114244+Tufailahmed-Bargir@users.noreply.github.com>
+Tushar Bhardwaj <155543597+TusharBhardwaj441@users.noreply.github.com>
 Uday Kakade <141299403+udaykakade25@users.noreply.github.com>
+Ujjwal Kirti <64329707+ujjwalkirti@users.noreply.github.com>
 Utkarsh <http://utkarsh11105@gmail.com>
 Utkarsh Raj <rajutkarsh2505@gmail.com>
 UtkershBasnet <119008923+UtkershBasnet@users.noreply.github.com>