GPG Release Key Expired
The GPG signing key used for the ArangoDB 3.11 and 3.12 Debian repositories has expired. This prevents apt update from completing successfully and stops new installations or upgrades.
Affected Repositories:
https://download.arangodb.com/arangodb311/DEBIAN/
https://download.arangodb.com/arangodb312/DEBIAN/
INFO:root:W: https://download.arangodb.com/arangodb311/DEBIAN/Release.gpg: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details. W: GPG error: https://download.arangodb.com/arangodb311/DEBIAN Release: The following signatures were invalid: EXPKEYSIG C04AD0FD86FEC04D package-signing (ArangoDB GmbH) [email protected] E: The repository 'https://download.arangodb.com/arangodb311/DEBIAN Release' is not signed.
Source: arangodb/arangodb