Subject: Apache mirrors are not available anymore

From: Julian Flake <[email-masked]>
Date: Tue, 25 Apr 2023 14:01:39 +0200

- The apache mirrors defined in guix/download.scm aren't available 
  anymore.
- Compare the info at https://www.apache.org/mirrors
- (At least Some of the) packages are available at 
  https://dlcdn.apache.org/