tests

Add Streamlit Chat Migration Guide #7603

Job	Run time
Run pre-commit	17s
UI tests on ubuntu-latest with Python 3.9	12m 3s
UI tests on macos-latest with Python 3.9	19m 57s
Unit tests on ubuntu-latest with Python 3.8	11m 55s
UI tests on windows-latest with Python 3.9	28m 39s
Unit tests on ubuntu-latest with Python 3.9	7m 35s
Unit tests on ubuntu-latest with Python 3.11	5m 47s
Unit tests on macos-latest with Python 3.8	11m 13s
Unit tests on macos-latest with Python 3.9	19m 21s
Unit tests on macos-latest with Python 3.11	14m 52s
Unit tests on windows-latest with Python 3.8	25m 3s
Unit tests on windows-latest with Python 3.9	19m 59s
Unit tests on windows-latest with Python 3.11	17m 52s
	3h 14m 33s

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