Add support for fmt 11.0

Resolves #1735

SConstruct

@@ -222,7 +222,7 @@ config_options = [
            options with spaces, for example, "cxx_flags='-g -Wextra -O3 --std=c++14'"
            """,
         {
-            "cl": "/EHsc /std:c++17",
+            "cl": "/EHsc /std:c++17 /utf-8",
             "default": "-std=c++17"
         }),
     Option(

include/cantera/base/fmt.h

@@ -42,4 +42,12 @@ void fmt_append(fmt::memory_buffer& b, const std::string& tmpl, Args... args) {
 }
 #endif
 
+#if FMT_VERSION > 100000
+  #if CT_USE_SYSTEM_FMT
+    #include <fmt/ranges.h>
+  #else
+    #include <fmt/join.h>
+  #endif
+#endif
+
 #endif