[7.16](backport #2064) fix: update stack deployment to follow Users&Roles best practices

[mergify]

This is an automatic backport of pull request #2064 done by Mergify.
Cherry-pick of a31f807 has failed:

On branch mergify/bp/7.16/pr-2064
Your branch is up to date with 'origin/7.16'.

You are currently cherry-picking commit a31f8073.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   .ci/.e2e-tests-for-elastic-agent.yaml
	modified:   .ci/.e2e-tests.yaml
	modified:   .ci/Jenkinsfile
	new file:   .ci/ansible/files/sshd_config
	modified:   .ci/ansible/playbook.yml
	modified:   .ci/ansible/requirements.yml
	modified:   .ci/ansible/tasks/install_deps.yml
	modified:   .ci/ansible/tasks/runners.yml
	modified:   .ci/ansible/tasks/setup_test_script.yml
	modified:   cli/config/compose/profiles/fleet/default/kibana.config.yml
	new file:   cli/config/compose/profiles/fleet/elasticsearch-roles.yml
	new file:   cli/config/compose/profiles/fleet/elasticsearch-users
	new file:   cli/config/compose/profiles/fleet/elasticsearch-users_roles
	modified:   cli/config/compose/profiles/fleet/preconfigured-policies/kibana.config.yml
	new file:   cli/config/compose/services/elastic-agent/fleet-server/docker-compose.yml
	modified:   e2e/_suites/fleet/features/apm_integration.feature
	modified:   e2e/_suites/fleet/features/stand_alone_agent.feature
	modified:   e2e/_suites/fleet/fleet.go
	modified:   e2e/_suites/fleet/ingest_manager_test.go
	modified:   e2e/_suites/fleet/stand-alone.go
	modified:   e2e/_suites/fleet/world.go
	modified:   internal/action/process.go
	modified:   internal/deploy/base.go
	modified:   internal/elasticsearch/client.go
	modified:   internal/installer/base.go
	modified:   internal/installer/elasticagent_deb.go
	modified:   internal/installer/elasticagent_docker.go
	modified:   internal/installer/elasticagent_rpm.go
	modified:   internal/installer/elasticagent_tar.go
	modified:   internal/installer/elasticagent_tar_macos.go
	modified:   internal/installer/elasticagent_zip.go
	modified:   internal/kibana/client.go
	modified:   internal/kibana/fleet.go
	modified:   internal/kibana/integrations.go
	modified:   internal/kibana/policies.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   cli/config/compose/profiles/fleet/docker-compose.yml
	both modified:   cli/config/compose/services/elastic-agent/docker-compose.yml
	both modified:   go.mod
	both modified:   go.sum
	both modified:   internal/deploy/base_test.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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[elasticmachine]

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[mdelapenya]

Merging this one to fix the Ansible deployment. Will open issues in the case the backport is not totally correct