Description of the issue:
When I attempt to update with sudo apt-get update, I get these errors:
W: An error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: https://brave-browser-apt-release.s3.brave.com trusty InRelease: The following signatures were invalid…
W: Failed to fetch https://brave-browser-apt-release.s3.brave.com/dists/trusty/InRelease
W: Some index files failed to download. They have been ignored, or old ones used instead.
Operating System and Brave Version:
Brave Version 0.64.77 Chromium: 74.0.3729.169 (Official Build) (64-bit)