Log Message:
graphics/simp: update to 3.6.1

Post release commits:
 - Fix core dumps on close
 - Expose features for picking file picker backend

v3.6.1
 - Add man file to crates.io

v3.6.0
 - Fix dragging of crop area
 - Add hdr image support
 - Add heif image support (linux only)
 - Add qoi image support
 - Add jxl image support (linux only)
 - Make it possible to change color format of image
 - Add manpage generation
 - Use pure rust webp decoder for static images