Update CHANGELOG.md (#1988)

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Author: community-scripts-pr-app[bot]

CHANGELOG.md

@@ -23,6 +23,7 @@ Do not break established syntax in this file, as it is automatically updated by
 
 ### ✨ New Scripts
 
+- New Script: Privatebin [@opastorello](https://github.com/opastorello) ([#1925](https://github.com/community-scripts/ProxmoxVE/pull/1925))
 - New Script: Element Synapse [@tremor021](https://github.com/tremor021) ([#1955](https://github.com/community-scripts/ProxmoxVE/pull/1955))
 
 ### 🚀 Updated Scripts