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Haystack 2.3.1

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⬆️ Upgrade Notes

OutputAdapter and ConditionalRouter can’t return users inputs anymore.

Security Notes

Fix issue that could lead to remote code execution when using insecure Jinja template in the following Components:
- PromptBuilder
- ChatPromptBuilder
- DynamicPromptBuilder
- DynamicChatPromptBuilder
- OutputAdapter
- ConditionalRouter
The same issue has been fixed in the PipelineTemplate class too.