* gnu/packages/crates-io.scm (rust-webpki-roots-0.25): New variable. (rust-webpki-roots-0.22): Inherit from rust-webpki-roots-0.25.
* gnu/packages/crates-io.scm (rust-webpki-roots-0.25): New variable. (rust-webpki-roots-0.22): Inherit from rust-webpki-roots-0.25.