* Add hint for GNUPGHOME environment variable
With #19732, the default location for the `.gnupg` folder has changed. To mitigate this breaking change, users can specify the home directory for gnupg via `$GNUPGHOME` environment variable to keep using their current location.
* Update docs/content/doc/advanced/signing.en-us.md
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>
Co-authored-by: zeripath <art27@cantab.net>