Obtain gnu software from ftpmirror.gnu.org

Summary

Pipelines sometimes fail because connection ftp.gnu.org times out.

This also happens locally.

I propose we use ftpmirror.gnu.org .

Steps to reproduce

This cannot be reproduced, it is dependent on ftp.gnu.org .

Please see examples in parent epic.

What is the current bug behavior?

Connection to ftp.gnu.org times out when trying to download dependent software.

Dependent software in omnibus:

• libiconv
• libtool

What is the expected correct behavior?

Timeouts should be a rare occurance.

Relevant logs

Relevant logs

Details of package version

Provide the package version installation details