Update nginxproxymanager-install.sh

fixes https://github.com/tteck/Proxmox/issues/3841

install/nginxproxymanager-install.sh

@@ -37,9 +37,8 @@ $STD apt-get install -y \
   python3-pip \
   python3-venv \
   python3-cffi \
-  python3-certbot \
   python3-certbot-dns-cloudflare
-$STD pip3 install certbot-dns-multi
+$STD pip3 install certbot certbot-dns-multi
 $STD python3 -m venv /opt/certbot/
 rm -rf /usr/lib/python3.*/EXTERNALLY-MANAGED
 msg_ok "Installed Python Dependencies"