Lack of latest binutils in gcc 11 docker image

[Jonathan Wakely]

> I was wondering where can we send a patch to add binutils (latest )
> to that docker hub image

Those images are maintained by Docker Inc. and nothing to do with the
GCC project:

https://docs.docker.com/docker-hub/official_images/

"All Official Images contain a User Feedback section in their
documentation which covers the details for that specific repository.
In most cases, the GitHub repository which contains the Dockerfiles
for an Official Repository also has an active issue tracker. General
feedback and support questions should be directed to #docker-library
on Freenode IRC."