feat: update pr label on merge to closed (#207)
Co-authored-by: Pritish Budhiraja <1805317@kiit.ac.in>
Co-authored-by: Jeeva Ramachandran <120017870+JeevaRamu0104@users.noreply.github.com>
Co-authored-by: Jeeva Ramachandran <jeeva.ramachandran@juspay.in>