* develop: (22 commits)
  enzyme -> react-testing-library (Countdown, Modal, ProgressBar) (streamlit#6744)
  Remove console.log (streamlit#6753)
  Update `st.data_editor` and `st.dataframe` docstrings (streamlit#6752)
  Update `st.data_editor` session state format (streamlit#6711)
  Cypress flaky test fixes (streamlit#6743)
  Document integer size limit for number_input and slider (streamlit#6724)
  Change default theme hash on app init (streamlit#6729)
  Use .genericFonts instead of .fonts to fix bug with theme postMessage. (streamlit#6732)
  Improve startup performance by lazy loading some dependencies (streamlit#6531)
  Add support for Altair 5 (streamlit#6618)
  Update modals (streamlit#6688)
  Improve docstrings for `ttl` and `max_entries` (streamlit#6733)
  Improve `st.columns` docstring (streamlit#6727)
  Removed orphan line in dataframe docstring (streamlit#6734)
  Fix useIsOverflowing dependency array (streamlit#6731)
  Remove experimental from data editor (streamlit#6712)
  Clarify set_page_config docstring and exception message (streamlit#6594)
  Add a config option to disable warning for setting both a widget default and its key in session_state (streamlit#6640)
  Add column configuration API for `st.dataframe` and `st.data_editor` (streamlit#6598)
  Migrate datetime column formatting from date-fns to momentJS (streamlit#6702)
  ...