FEATURE: Allow for tuning multiple Logstash pipelines in SOC

[cm-ops]

https://www.elastic.co/guide/en/logstash/8.18/multiple-pipelines.html
https://www.elastic.co/guide/en/logstash/8.18/tuning-logstash.html

Allow for setting values for the following in SOC for different Logstash pipelines in the pipelines.yml

pipeline.workers
pipeline.batch.size

The value of a setting that is not explicitly set in the pipelines.yml file will fall back to the default specified in the logstash.yml settings file.