I have been prompted by ST to update from build 4126 to 4142. I have installed ST via APT as explained here. However, upon sudo apt update
Ubuntu returns the following warning
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://download.sublimetext.com apt/stable/ InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
as well as
W: Failed to fetch https://download.sublimetext.com/apt/stable/InRelease The following signatures couldn't be verified because the public key is not available: NO_PUBKEY ...
it seems there is some issue with your repo public key? should I import a new one? if not, what am I doing wrong?