fix(cli): add upgrader for patch l4 probe port and upgrade node-exporter

[hysyeah]

• Background
  break change for patch l4 probeport and upgrade node-exporter
• Target Version for Merge
  v1.12.6,v1.12.7
• Related Issues
  None
• PRs Involving Sub-Systems
  fix: lsblk command add sysroot in container node_exporter#9
• Other information:

---

Note

Medium Risk
Patches live l4-bfl-proxy probe ports during upgrade; mis-timed rollout could briefly mark the proxy unready, though retries and NotFound skip limit blast radius.

Overview
Adds upgrade automation for a breaking l4-bfl-proxy health-check port change (8081 → 18081) and rolls node-exporter to 0.0.11.

The 1.12.6 system-component upgrade path now runs a PatchL4BFLProxyProbePort task after the base component upgrades. A new daily upgrader 1.12.7-20260617 reuses upgradeNodeExporter() and the same probe patch so clusters on that line get both fixes without a full main-line release only.

patchL4BFLProxyProbePort strategically merges the os-network/l4-bfl-proxy deployment so the proxy container’s liveness and readiness httpGet ports match the new binary; it retries on conflict, skips cleanly if the deployment is missing, and times out after two minutes.

Bundled image bumps: beclab/node-exporter:0.0.11 in the Prometheus node-exporter DaemonSet manifest and platform/prometheus/.olares/Olares.yaml prebuilt container list.

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