NM-294: SIEM Integration (just moved flow grpc client to netmaker)

[VishalDalwadi]

Describe your changes

Provide Issue ticket number if applicable/not in title

Provide link to Netmaker PR if required

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Checklist before requesting a review

• My changes affect only 10 files or less.
• I have performed a self-review of my code and tested it.
• If it is a new feature, I have added thorough tests, my code is <= 1450 lines.
• If it is a bugfix, my code is <= 200 lines.
• My functions are <= 80 lines.
• I have had my code reviewed by a peer.
• My unit tests pass locally.
• Netclient & Netmaker are awesome.

[tenki-reviewer]

Review Complete
No issues found!

Risk: 🟢 Low (5/100) — no findings · 255 LOC across 3 files

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This PR cleanly relocates the gRPC flow client from the local flow/exporter package into the upstream netmaker module, with the corresponding go.mod update. The refactoring is straightforward and introduces no new bugs or security issues.

Files Reviewed (3 files)

flow/exporter/grpc.go
flow/manager_linux.go
go.mod