Reapply single-PID adapation for metricbeat's system/process, revert update to `go-systemd`#39730

Merged

fearful-symmetry merged 4 commits intoelastic:mainfrom fearful-symmetry:fix-system-pid-revert

May 31, 2024

+48-12

Commits on May 24, 2024

Reapply "let the system/process metricset monitor a single PID (elastic#39620 )" (elastic#39714 )
fearful-symmetry
committed
reapply single-pid changes, tinker with go-systemd dep
fearful-symmetry
committed

Commits on May 28, 2024

Merge remote-tracking branch 'upstream/main' into fix-system-pid-revert
fearful-symmetry
committed

Commits on May 29, 2024

fix deps
fearful-symmetry
committed