Add support for libfmt-11

fmt::join was moved into fmt/ranges.h

Signed-off-by: Alfred Wingate <[email protected]>

Source/UnitTests/Common/BitFieldTest.cpp

@@ -1,6 +1,8 @@
 // Copyright 2014 Dolphin Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
+#include <fmt/ranges.h>
+
 #include <gtest/gtest.h>
 
 #include "Common/BitField.h"