chore(deps): update loki

[renovate]

This PR contains the following updates:

Package	Update	Change
docker.io/grafana/loki	patch	3.6.2 → 3.6.3
docker.io/memcached	patch	1.6.39-alpine → 1.6.40-alpine
ghcr.io/kiwigrid/k8s-sidecar	major	1.30.10 → 2.1.4
loki (source)	minor	6.48.0 → 6.49.0
quay.io/rfcurated/memcached	patch	1.6.39-jammy-fips-rfcurated-rfhardened → 1.6.40-jammy-fips-rfcurated-rfhardened
registry1.dso.mil/ironbank/kiwigrid/k8s-sidecar (source)	major	1.30.10 → 2.1.4
registry1.dso.mil/ironbank/opensource/memcached/memcached (source)	patch	1.6.39 → 1.6.40

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Release Notes

kiwigrid/k8s-sidecar (ghcr.io/kiwigrid/k8s-sidecar)

v2.1.4

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📦 Dependencies

• Bump actions/checkout from 5.0.1 to 6.0.0
  • PR: #​472
• Bump actions/upload-artifact from 4.6.2 to 5.0.0
  • PR: #​459
• Bump actions/download-artifact from 5.0.0 to 6.0.0
  • PR: #​456
• Bump fastapi from 0.121.0 to 0.122.0 in /src
  • PR: #​470

v2.1.3

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📦 Dependencies

• Bump github/codeql-action from 4.31.2 to 4.31.3
  • PR: #​466
• Bump actions/checkout from 5.0.0 to 5.0.1
  • PR: #​467
• Bump softprops/action-gh-release from 2.4.1 to 2.4.2
  • PR: #​463
• Bump github/codeql-action from 4.31.3 to 4.31.5
  • PR: #​471

v2.1.2

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📦 Dependencies

• Bump mikepenz/release-changelog-builder-action from 6.0.0 to 6.0.1
  • PR: #​458
• Bump docker/setup-qemu-action from 3.6.0 to 3.7.0
  • PR: #​457
• Bump fastapi from 0.115.2 to 0.121.0 in /src
  • PR: #​452

v2.1.1

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📦 Dependencies

• Bump mikepenz/release-changelog-builder-action from 6.0.0 to 6.0.1
  • PR: #​458
• Bump docker/setup-qemu-action from 3.6.0 to 3.7.0
  • PR: #​457
• Bump fastapi from 0.115.2 to 0.121.0 in /src
  • PR: #​452

v2.1.0

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🚀 Features

• wyn_skip_init: - add flag to skip initial request to REQ_URL when using WATCH
  • PR: #​433

📦 Dependencies

• Bump actions/upload-artifact from 4 to 5
  • PR: #​439
• Bump actions/download-artifact from 5 to 6
  • PR: #​440

v2.0.3

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Build

• Drop support for ppc64le (#​445)
• Drop support for s390x (#​444)

Enhancements

• Add health endpoint with readiness and liveness probes (#​416)

• New /healthz Endpoint: A new HTTP endpoint is available on port 8080 (configurable via the HEALTH_PORT environment variable)

  • Readiness Probe:

    • The sidecar now reports as "ready" (HTTP 200) only after the initial synchronization of all configured resources is complete
    • This prevents the main application container from starting or receiving traffic prematurely, ensuring all configuration files are present at startup

  • Liveness Probe:

    • The probe continuously monitors the sidecar's health by checking two critical conditions:
      • Kubernetes API Contact: Verifies that the sidecar has had successful contact with the Kubernetes API within the last 60 seconds
      • Watcher Process Health: Ensures that all internal watcher subprocesses are running correctly
    • If any check fails, the probe fails, signaling Kubernetes to restart the container

• Reduced Log Noise: Access logs for frequent /healthz requests are automatically filtered out to keep application logs clean and focused

• Fail-Fast on Process Death: The main process now exits immediately if a critical watcher subprocess dies, ensuring a prompt restart by Kubernetes

Testing

• The CI pipeline has been enhanced with new tests to validate this functionality:
  • A test to confirm the Uvicorn health server starts successfully
  • A liveness test that simulates a watcher process failure and asserts that Kubernetes restarts the pod as expected
  • A Kubernetes Config load test for Sleep and Watch based sidecar

v1.30.11

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⚠️ YANKED/UNSTABLE ⚠️: Do not use 1.30.11 due to #​431
Use 1.30.9 as latest stable

📦 Dependencies

• Bump python-json-logger from 3.3.0 to 4.0.0 in /src
  • PR: #​424

grafana/helm-charts (loki)

v6.49.0

The leading tool for querying and visualizing time series and metrics.

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[mjnagel]

This update should be avoided for now (see #2207).