Merge pull request #35350 from Arhell/pl-upd-kubecon

[pl] update KubeCon date

Author: k8s-ci-robot

content/pl/_index.html

@@ -44,12 +44,12 @@ <h2>The Challenges of Migrating 150+ Microservices to Kubernetes</h2>
         <button id="desktopShowVideoButton" onclick="kub.showVideo()">Obejrzyj wideo</button>
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-        <a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-europe-2022/?utm_source=kubernetes.io&utm_medium=nav&utm_campaign=kccnceu22" button id="desktopKCButton">Weź udział w KubeCon Europe 17-20.06.2022</a>
+        <a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-north-america/" button id="desktopKCButton">Weź udział w KubeCon North America 24-28.10.2022</a>
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-        <a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-north-america/?utm_source=kubernetes.io&utm_medium=nav&utm_campaign=kccncna21" button id="desktopKCButton">Weź udział w KubeCon North America 24-28.10.2022</a>
+        <a href="https://events.linuxfoundation.org/kubecon-cloudnativecon-europe-2023" button id="desktopKCButton">Weź udział w KubeCon Europe 17-21.04.2023</a>
 
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 <div id="videoPlayer">