* update Tool,ToolInvoker,ComponentTool,create_tool_from_function
* add State and its utils
* add tests for State and its utils
* update tests for Tool etc.
* reno
* fix circular imports
* update experimental imports in tests
* fix unit tests
* fix ChatGenerator unit tests
* mypy
* add State to init and pydoc
* explain State in more detail in release note
* add test from #8913
* re-add _check_duplicate_tool_names and refactor imports
* rename inputs and outputs
* draft
* del HF token in tests
* adaptations
* progress
* fix type
* import sorting
* more control on deserialization
* release note
* improvements
* support name field
* fix chatpromptbuilder test
* port Tool from experimental
* release note
* docs upd
* Update tool.py
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Co-authored-by: Daria Fokina <daria.fokina@deepset.ai>