chore(deps): update docker.io/kiwigrid/k8s-sidecar docker tag to v2.9.0

[jenkins-dependency-updater]

This PR contains the following updates:

Package	Update	Change
docker.io/kiwigrid/k8s-sidecar	minor	2.8.1 → 2.9.0

---

Release Notes

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

v2.9.0

Compare Source

🚀 Features

• Use ENTRYPOINT instead of CMD to allow CLI flags
  • PR: #​585

v2.8.2

Compare Source

📦 Dependencies

• build(deps): bump docker/setup-buildx-action from 4.1.0 to 4.2.0
  • PR: #​601
• build(deps): bump docker/bake-action from 7.2.0 to 7.3.0
  • PR: #​600
• build(deps): bump docker/setup-qemu-action from 4.1.0 to 4.2.0
  • PR: #​597
• build(deps): bump docker/login-action from 4.2.0 to 4.5.1
  • PR: #​612
• build(deps): bump actions/stale from 10.3.0 to 10.4.0
  • PR: #​610
• build(deps): bump the codeql-action group with 2 updates
  • PR: #​608
• build(deps): bump docker/build-push-action from 7.2.0 to 7.3.0
  • PR: #​609
• build(deps): bump softprops/action-gh-release from 3.0.1 to 3.0.2
  • PR: #​611
• fix: upgrade Alpine packages for CVE-2026-45447
• fix: upgrade Python packages for CVE-2026-59885, CVE-2026-59886 and CVE-2026-59890
  • PR: #​613

---

Configuration

📅 Schedule: (UTC)

• Branch creation
  • At any time (no schedule defined)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate.