Fix Synology Docker x509: certificate has expired or is not yet valid

Fix Synology Docker x509: certificate has expired or is not yet valid

sudo cp /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt.backup
wget --no-check-certificate https://curl.se/ca/cacert.pem
sudo mv cacert.pem /etc/ssl/certs/ca-certificates.crt
sudo synoservice --restart pkgctl-Docker

Ref: https://alexnj.com/blog/updating-root-certificates-on-synology/