chore(deps): update dependency cilium-hubble to v1.19.4

[bde-dev]

This PR contains the following updates:

Package	Update	Change
cilium-hubble	minor	1.18.3 → 1.19.4

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Release Notes

cilium/hubble (cilium-hubble)

v1.19.4

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Misc Changes:

• chore(deps): update azure/setup-helm action to v5 (#​1783, @​renovate[bot])
• chore(deps): update dependency cilium/cilium to v1.19.4 (#​1786, @​renovate[bot])
• chore(deps): update dependency helm/helm to v4.2.0 (#​1787, @​renovate[bot])
• chore(deps): update golang to v1.26.4 (#​1789, @​renovate[bot])
• chore(deps): update module go.opentelemetry.io/otel to v1.41.0 [security] (#​1784, @​renovate[bot])

v1.19.3

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Important Security Updates:

• chore(deps): update module github.com/moby/spdystream to v0.5.1 [security] (#​1775, @​renovate[bot])

Misc Changes:

• chore(config): migrate Renovate config (#​1757, @​renovate[bot])
• chore(deps): update actions/setup-go action to v6.4.0 (#​1769, @​renovate[bot])
• chore(deps): update all github action dependencies (minor) (#​1756, @​renovate[bot])
• chore(deps): update dependency cilium/cilium to v1.18.7 (#​1758, @​renovate[bot])
• chore(deps): update dependency cilium/cilium to v1.19.2 (#​1765, @​renovate[bot])
• chore(deps): update dependency cilium/cilium to v1.19.3 (#​1774, @​renovate[bot])
• chore(deps): update dependency helm/helm to v3.20.1 (#​1763, @​renovate[bot])
• chore(deps): update dependency helm/helm to v3.20.2 (#​1771, @​renovate[bot])
• chore(deps): update golang to v1.25.7 (patch) (#​1755, @​renovate[bot])
• chore(deps): update golang to v1.26.0 (minor) (#​1759, @​renovate[bot])
• chore(deps): update golang to v1.26.1 (patch) (#​1762, @​renovate[bot])
• chore(deps): update golang to v1.26.2 (patch) (#​1772, @​renovate[bot])
• chore(deps): update library/golang:1.26.2-alpine docker digest to f853308 (#​1773, @​renovate[bot])
• chore(deps): update module google.golang.org/grpc to v1.79.3 [security] (#​1766, @​renovate[bot])
• Fix renovate config (#​1761, @​glibsm)
• Update stable release to 1.18.6 (#​1754, @​glibsm)
• vendor: Update cilium to v1.19.1 (#​1764, @​glibsm)

v1.18.6

Compare Source

Misc Changes:

• chore(deps): update actions/checkout action to v6.0.2 - autoclosed (#​1749, @​renovate[bot])
• chore(deps): update actions/setup-go action to v6.2.0 (#​1746, @​renovate[bot])
• chore(deps): update all github action dependencies (patch) (#​1747, @​renovate[bot])
• chore(deps): update dependency helm/helm to v3.20.0 (#​1750, @​renovate[bot])
• chore(deps): update golang to v1.25.6 (patch) (#​1748, @​renovate[bot])
• chore(deps): update library/golang:1.25.6-alpine docker digest to 98e6cff (#​1751, @​renovate[bot])

v1.18.5

Compare Source

Misc Changes:

• chore(deps): update actions/checkout action to v6.0.1 (#​1738, @​renovate[bot])
• chore(deps): update actions/setup-go action to v6.1.0 (#​1734, @​renovate[bot])
• chore(deps): update all github action dependencies (patch) (#​1740, @​renovate[bot])
• chore(deps): update dependency cilium/cilium to v1.18.3 (#​1726, @​renovate[bot])
• chore(deps): update dependency helm/helm to v3.19.1 (#​1730, @​renovate[bot])
• chore(deps): update dependency kubernetes-sigs/kind to v0.31.0 (#​1742, @​renovate[bot])
• chore(deps): update golang to v1.25.4 (patch) (#​1729, @​renovate[bot])
• chore(deps): update golang to v1.25.5 (patch) (#​1739, @​renovate[bot])
• chore(deps): update helm/kind-action action to v1.13.0 (#​1728, @​renovate[bot])
• chore(deps): update library/golang:1.25.5-alpine docker digest to ac09a5f (#​1741, @​renovate[bot])

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This PR has been generated by Mend Renovate.

[bde-dev]

AI Assessment

Field	Value
Decision	NEEDS_REVIEW
Risk Level	HIGH
Update Type	MINOR
Component	cilium-hubble
Version	1.18.3 -> 1.19.3
Breaking Changes	false

Analysis

Cilium Hubble is a core infrastructure component for Kubernetes network observability. While this is a MINOR version update with no explicit breaking changes, it requires careful validation because: (1) It's a core infrastructure component per homelab guidelines (HIGH risk), (2) Hubble is tightly coupled with Cilium version compatibility, (3) Updates to observability layers can affect cluster monitoring and debugging capabilities. The release notes show coordinated updates with Cilium v1.19.3 and include security updates, which is positive, but the specific impact on the homelab's Cilium deployment needs verification.

Recommendation

Perform manual review and testing. Verify that: (1) The homelab's Cilium version is compatible with Hubble v1.19.3, (2) Test the upgrade in a staging environment before merging, (3) Review the Cilium upgrade path alongside this Hubble update, (4) Ensure all observability and monitoring integrations continue functioning post-upgrade. This should NOT be auto-merged due to the critical nature of the component.

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Analyzed by n8n AI Agent using Claude