archive-staging: Add a redirection for the old main graphql domain

Related to swh/infra/sysadm-environment#4603 (closed)

This ingress'll do the job instead of updating the puppet recipes to support an apache or varnish redirect.

Testing on a fake vhost:

# http http://graphql-old.staging.swh.network/
HTTP/1.1 301 Moved Permanently
Connection: keep-alive
Content-Length: 162
Content-Type: text/html
Date: Wed, 18 Jan 2023 17:45:55 GMT
Location: https://webapp.staging.swh.network/graphql/

/cc @teams/sysadmin