feat(container): update image ghcr.io/kiwigrid/k8s-sidecar to v1.28.4

[renovate]

This PR contains the following updates:

Package	Update	Change
ghcr.io/kiwigrid/k8s-sidecar	minor	1.27.6 -> 1.28.4

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Release Notes

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

v1.28.4

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🐛 Fixes

• BUG: Fix missing sleep in _watch_resource_loop
  • PR: #​373

v1.28.3

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📦 Dependencies

• Bump helm/kind-action from 1.10.0 to 1.11.0
  • PR: #​381

v1.28.2

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📦 Dependencies

• Bump docker/login-action from 2 to 3
  • PR: #​368

v1.28.1

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📦 Dependencies

• Bump docker/setup-qemu-action from 2 to 3
  • PR: #​367
• Bump mikepenz/release-changelog-builder-action from 4 to 5
  • PR: #​366
• update kind node images
  • PR: #​365

v1.28.0

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📦 Dependencies

• Workflow maintenance
  • PR: #​359
• Trigger Build
  • PR: #​364
• Bump kubernetes from 30.1.0 to 31.0.0 in /src
  • PR: #​360

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[jsaveker]

Here is an automated review from ChatGPT of this pull request.

The provided "git diff" shows changes made to a Helm release configuration file for a Kubernetes application, specifically updating the version of a sidecar container image from ghcr.io/kiwigrid/k8s-sidecar:1.27.6 to ghcr.io/kiwigrid/k8s-sidecar:1.28.0. From the given context, there are no direct, explicit security vulnerabilities introduced by this change.

However, there are several considerations that should be taken into account to ensure that this change does not inadvertently introduce security issues:

1. Container Image Trustworthiness: Before updating to a newer container image version, it's crucial to verify the trustworthiness of the image. This includes ensuring that the image is from a reputable source, checking if the image has been scanned for vulnerabilities, and verifying that it hasn't been tampered with.

   • Suggested Fix/Verification:
     • Ensure that ghcr.io/kiwigrid/k8s-sidecar:1.28.0 is an official, verified version by checking the publisher's official documentation or repository on the GitHub Container Registry.
     • Use image scanning tools to analyze ghcr.io/kiwigrid/k8s-sidecar:1.28.0 for known vulnerabilities before deploying it into a production environment.

2. ImagePullPolicy: The imagePullPolicy is set to IfNotPresent, which means the newer image version will only be pulled if it is not already present on the node. While this policy can help in reducing bandwidth usage and speed up deployment times, it might lead to inconsistencies if different nodes have different versions of the image cached.

   • Suggested Fix/Verification:
     • Consider changing the imagePullPolicy to Always to ensure that all nodes are using the exact version specified, reducing inconsistencies and ensuring that the latest security patches are applied.

     imagePullPolicy: Always

3. Implicit security through updates: Updating a sidecar container could potentially include security patches and performance improvements. It's generally a good practice to keep container images up-to-date. However, updates should be tested in a non-production environment to verify that they don't break existing functionalities or introduce new issues.

4. Configuration and Permission Changes: The update does not appear to change environment variables or permissions, but it's worth reviewing the sidecar's release notes or changelog for any changes in behavior, new features, or modifications in permissions that come with the new version.

5. Deprecations and Compatibility: Ensure that the update does not include deprecated features that your application relies on, or any compatibility breaking changes.

Given the information available, there were no direct security issues that could be identified. Nonetheless, the above suggestions aim to proactively manage the risks associated with updating container images in a Kubernetes environment.