Hello,
Currently certbot 0.27.0
root@hostname:~# certbot --version
certbot 0.27.0
root@hostname:~# sudo apt install --only-upgrade certbot
Reading package lists... Done
Building dependency tree
Reading state information... Done
certbot is already the newest version (0.27.0-1~ubuntu18.04.2).
The following packages were automatically installed and are no longer required:
linux-azure-4.15-cloud-tools-4.15.0-1112 linux-azure-4.15-cloud-tools-4.15.0-1113 linux-azure-4.15-headers-4.15.0-1112 linux-azure-4.15-tools-4.15.0-1112 linux-azure-4.15-tools-4.15.0-1113 linux-azure-5.4-cloud-tools-5.4.0-1080
linux-azure-5.4-cloud-tools-5.4.0-1083 linux-azure-5.4-cloud-tools-5.4.0-1085 linux-azure-5.4-cloud-tools-5.4.0-1086 linux-azure-5.4-cloud-tools-5.4.0-1089 linux-azure-5.4-cloud-tools-5.4.0-1090
linux-azure-5.4-cloud-tools-5.4.0-1091 linux-azure-5.4-headers-5.4.0-1080 linux-azure-5.4-headers-5.4.0-1083 linux-azure-5.4-headers-5.4.0-1085 linux-azure-5.4-headers-5.4.0-1086 linux-azure-5.4-headers-5.4.0-1089
linux-azure-5.4-headers-5.4.0-1090 linux-azure-5.4-headers-5.4.0-1091 linux-azure-5.4-tools-5.4.0-1080 linux-azure-5.4-tools-5.4.0-1083 linux-azure-5.4-tools-5.4.0-1085 linux-azure-5.4-tools-5.4.0-1086
linux-azure-5.4-tools-5.4.0-1089 linux-azure-5.4-tools-5.4.0-1090 linux-azure-5.4-tools-5.4.0-1091 linux-azure-headers-4.15.0-1023 linux-azure-tools-4.15.0-1023 python3-ndg-httpsclient
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 179 not upgraded.