[crowdstrike] - Update to ECS 8.8.0 and pkg-spec 2.7.0 #6372
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What does this PR do?
This updates the crowdstrike integration to ECS 8.8.0. It was referencing elastic/ecs git@8.7 and using 8.7.0 in ingest pipelines. The pkg-spec version has also been updated to 2.7.0. This required the following changes to pipelines to be compliant:
event.typefromchangetoinfoin thefalconpipeline (auth_activity_audit.yml)threat.technique.nameandthread.tactic.nameto arrays in thefalconpipeline (detection_summary.yml)event.categoryfrompackagetoprocessfor theHostedServiceStartedandHostedServiceStoppedevents in thefdrpipeline (default.yml)Checklist
changelog.ymlfile.How to test this PR locally
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