Merge branch 'upstream' into concedo_experimental

# Conflicts:
#	.github/workflows/build.yml
#	.github/workflows/server.yml
#	CMakeLists.txt
#	cmake/build-info.cmake
#	examples/run/CMakeLists.txt
#	examples/run/run.cpp
#	examples/simple-chat/simple-chat.cpp
#	tests/CMakeLists.txt
#	tests/test-backend-ops.cpp
#	tests/test-sampling.cpp

src/llama-mmap.cpp

@@ -7,6 +7,7 @@
 #include <cstring>
 #include <climits>
 #include <stdexcept>
+#include <cerrno>
 
 #ifdef __has_include
     #if __has_include(<unistd.h>)