* develop:
  ✨ Support "auto" as the new default for st.image's `use_column_width` (streamlit#2635)
  fix branch name in pr-preview (streamlit#2644)
  ♻️ Remove "_proto" from "exception_proto.py" (streamlit#2638)
  ♻️ Remove "_proto" from "media_proto.py" and "iframe_proto.py" (streamlit#2639)
  Refactor: remove "_proto" from "image_proto.py" (streamlit#2626)
  correct info on url shortening behavior (streamlit#2576)
  Set "overflow:visible" on st.expander (streamlit#2611)
  Revert "Revert "Add anchors to Markdown headers (streamlit#2513)""
  Fix file uploader docs + change to getvalue (streamlit#2628)
  Update change log
  Update notices
  Up version to 0.75.0
  Revert "Add anchors to Markdown headers (streamlit#2513)"
  Speed up Cypress tests (streamlit#2600)
  Remove "beta feature" notice on st.color_picker (streamlit#2625)
  Deflake multiselect snapshot test by waiting for stale-element (streamlit#2624)
  Rerender Maybe components when they're first disabled (streamlit#2617)
  Increase side padding to 5rem when app is in wide mode (streamlit#2613)