Increase of the role-name length to 40

[Kuermel]

Pull request acceptance prerequisites:

• Signed the CLA (if not already signed)
• Rebased/up-to-date with base branch
• Tests pass
• Updated CHANGELOG.md with patch notes (if necessary)
• Updated CONTRIBUTORS (if attribution is requested)

[elasticmachine]

Since this is a community submitted pull request, a Jenkins build has not been kicked off automatically. Can an Elastic organization member please verify the contents of this patch and then kick off a build manually?

[Kuermel]

Faulty check is probably not caused by the changes.

Failures:
  1) elasticsearch v6.8.12 class elasticsearch::plugin analysis-icu installation using simple names manifest applies cleanly
     Failure/Error: apply_manifest(applied_manifest, :catch_failures => true, :debug => v[:puppet_debug])
     Beaker::Host::CommandFailure:
       Host 'centos-7-x64' exited with 4 running:
        puppet apply --verbose --detailed-exitcodes /tmp/apply_manifest.pp.QmsIkm
       Last 10 lines of output were:
       	Warning: /Stage[main]/Elasticsearch::Config/Datacat_fragment[main_config]: Skipping because of failed dependencies
       	Warning: /Stage[main]/Elasticsearch::Config/File_line[jvm_option_-Xms128m]: Skipping because of failed dependencies
       	Warning: /Stage[main]/Elasticsearch::Config/File_line[jvm_option_-Xmx128m]: Skipping because of failed dependencies
       	Warning: /Stage[main]/Elasticsearch::Config/Datacat[/etc/elasticsearch/elasticsearch.yml]/Datacat_collector[/etc/elasticsearch/elasticsearch.yml]: Skipping because of failed dependencies
       	Warning: /Stage[main]/Elasticsearch::Config/Datacat[/etc/elasticsearch/elasticsearch.yml]/File[/etc/elasticsearch/elasticsearch.yml]: Skipping because of failed dependencies
       	Notice: /Stage[main]/Elasticsearch::Service/Service[elasticsearch]: Dependency Elasticsearch_plugin[analysis-icu] has failures: true
       	Warning: /Stage[main]/Elasticsearch::Service/Service[elasticsearch]: Skipping because of failed dependencies
       	Warning: /Stage[main]/Main/Elasticsearch::Plugin[analysis-icu]/File[/usr/share/elasticsearch/plugins/analysis-icu]: Skipping because of failed dependencies
       	Error: Could not find a suitable provider for elasticsearch_plugin