Merge branch 'master' into jgrpp

# Conflicts:
#	.github/workflows/ci-build.yml
#	.github/workflows/release-linux.yml
#	.github/workflows/release-macos.yml
#	.github/workflows/release-windows.yml
#	.gitignore
#	COMPILING.md
#	src/company_gui.cpp
#	src/date_gui.cpp
#	src/engine.cpp
#	src/engine_func.h
#	src/fileio.cpp
#	src/linkgraph/linkgraph_gui.h
#	src/newgrf_debug_gui.cpp
#	src/newgrf_gui.cpp
#	src/order_gui.cpp
#	src/osk_gui.cpp
#	src/rail_gui.cpp
#	src/road_gui.cpp
#	src/script/api/script_event_types.hpp
#	src/sl/oldloader_sl.cpp
#	src/smallmap_gui.cpp
#	src/station_cmd.cpp
#	src/toolbar_gui.cpp
#	src/town_gui.cpp
#	src/transparency_gui.cpp
#	src/vehicle_gui.cpp
#	src/widget.cpp
#	src/widget_type.h
#	src/widgets/dropdown.cpp
#	src/widgets/dropdown_func.h
#	src/widgets/dropdown_type.h
#	src/widgets/group_widget.h
#	src/widgets/vehicle_widget.h
#	src/window.cpp
#	src/window_gui.h
#	src/window_type.h

os/linux/shf-compressed.patch

@@ -0,0 +1,10 @@
+--- a/usr/include/elf.h	2023-12-30 13:46:27.038645199 +0100
++++ b/usr/include/elf.h	2023-12-30 13:46:42.278641893 +0100
+@@ -365,6 +365,7 @@
+ 					   required */
+ #define SHF_GROUP	     (1 << 9)	/* Section is member of a group.  */
+ #define SHF_TLS		     (1 << 10)	/* Section hold thread-local data.  */
++#define SHF_COMPRESSED	     (1 << 11)	/* Section with compressed data. */
+ #define SHF_MASKOS	     0x0ff00000	/* OS-specific.  */
+ #define SHF_MASKPROC	     0xf0000000	/* Processor-specific */
+ #define SHF_ORDERED	     (1 << 30)	/* Special ordering requirement