lib/std/os/windows/kernel32: add signature for SetConsoleMode

- From lib/libc/include/any-windows-any/wincon.h#L235
- See also https://learn.microsoft.com/en-us/windows/console/setconsolemode
- Also add DISABLE_NEWLINE_AUTO_RETURN constant which will be used by SetConsoleMode in lib/std/os/windows.

Author: KexyBiscuit

lib/std/os/windows.zig

@@ -3733,6 +3733,7 @@ pub const CONSOLE_SCREEN_BUFFER_INFO = extern struct {
 };
 
 pub const ENABLE_VIRTUAL_TERMINAL_PROCESSING = 0x4;
+pub const DISABLE_NEWLINE_AUTO_RETURN = 0x8;
 
 pub const FOREGROUND_BLUE = 1;
 pub const FOREGROUND_GREEN = 2;

lib/std/os/windows/kernel32.zig

@@ -165,6 +165,7 @@ pub extern "kernel32" fn GetCommandLineA() callconv(WINAPI) LPSTR;
 pub extern "kernel32" fn GetCommandLineW() callconv(WINAPI) LPWSTR;
 
 pub extern "kernel32" fn GetConsoleMode(in_hConsoleHandle: HANDLE, out_lpMode: *DWORD) callconv(WINAPI) BOOL;
+pub extern "kernel32" fn SetConsoleMode(in_hConsoleHandle: HANDLE, in_dwMode: DWORD) callconv(WINAPI) BOOL;
 
 pub extern "kernel32" fn GetConsoleOutputCP() callconv(WINAPI) UINT;