Fix AWS cli syntax

Related to swh/infra/sysadm-environment#4877

Related to swh/infra/sysadm-environment#4707

From a given list of revision SWHIDS, provided as arguments or read from
standard input line by line, this script outputs the list of files each
of them modifies (equivalent to "git diff --stat", but without the detail
of the number of lines added/removed to each modified path) in NDJSON format.

By default, the script outputs a list of modifications with their type
(modify/insert/delete) and their modified path.

Related to swh-graph#4781

There's are 1.1M files with unexpected names (sharded or two short)

The result can be passed to 'swh objstorage replay --exclude-sha1-file'

This also fixes the lister and lister_instance_name to only set github for github
origin.

Refs. swh/infra/sysadm-environment#4835

Ref. teams/staff/onboarding#1

Related to swh/infra/sysadm-environment#4707

This info is not available in Keycloak admin UI so we have to query
the Keycloak Admin REST API to get it.

Related to swh/infra/sysadm-environment#4734

It sounded promising but it quick become very complicated when optional
values depending of the type of the resource is needed
Like interface declaration, the values to use are not the same
parent interface / lag interface, ...

and rename the script from .python to .py

Related to swh/infra/sysadm-environment#4755

Related to swh/infra/sysadm-environment#4748

This allows setting labels and other metadata on all issues.