Update kiwigrid/k8s-sidecar Docker tag to v2.14.1

[renovate]

This PR contains the following updates:

Package	Update	Change
kiwigrid/k8s-sidecar	minor	2.13.3 → 2.14.1

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Release Notes

kiwigrid/k8s-sidecar (kiwigrid/k8s-sidecar)

v2.14.1

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📦 Dependencies

• build(deps): bump kubernetes from 35.0.0 to 36.0.3
  • PR: #​640

ℹ️ Notes

kubernetes 36 ships an additional asyncio client and makes aiohttp a required dependency, although the sidecar only uses the synchronous client. As a result, the image now also contains aiohttp, multidict, yarl, frozenlist, propcache, aiosignal, aiohappyeyeballs and attrs, which you will see in SBOMs and vulnerability scans. The image grows from about 85 MB to 116 MB unpacked (25 → 29 MB compressed, amd64).

v2.14.0

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🚀 Features

• fix: move to stable Python 3.14 base image, fix charset segfault, re-add s390x
  • PR: #​654

🐛 Fixes

• fix: move to stable Python 3.14 base image, fix charset segfault, re-add s390x
  • PR: #​654

v2.13.4

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🚀 Features

• build: drop Rust and C++ toolchain from the image build
  • PR: #​653

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