sysutils/beats93: Update 9.3.2 => 9.3.4

Release Notes:
https://www.elastic.co/docs/release-notes/beats#beats-release-notes-9.3.3
https://www.elastic.co/docs/release-notes/beats#beats-release-notes-9.3.4

PR: 294181
Approved by: elastic (maintainer, timeout 3 weeks)
Sponsored by: UNIS Labs