Merge branch 'master' into docking

backends/imgui_impl_allegro5.cpp

backends/imgui_impl_sdl3.cpp

backends/imgui_impl_sdlrenderer3.cpp

docs/CHANGELOG.txt

examples/example_sdl3_opengl3/main.cpp

examples/example_sdl3_sdlrenderer3/main.cpp

imgui.cpp

imgui.h

imgui_demo.cpp

imgui_draw.cpp

imgui_internal.h

imgui_tables.cpp

imgui_widgets.cpp

misc/freetype/imgui_freetype.cpp