This commit splits the privileges per use case and removes ilm in template for serverless test
Co-authored-by: João Duarte <jsvd@users.noreply.github.com>
This commit changes the serverless tests to use a restricted API key with necessary permissions and disables Logstash legacy monitoring test. Fixes: #15234 Co-authored-by: João Duarte <jsvd@users.noreply.github.com>