Merge pull request #2818 from MysticExile/fmt

externals: update fmt to 6.0.0

fmt @ 7512a55a

-Subproject commit 9e554999ce02cf86fcdfe74fe740c4fe3f5a56d5
+Subproject commit 7512a55aa3ae309587ca89668ef9ec4074a51a1f

src/core/hle/service/fatal/fatal.cpp

@@ -5,7 +5,7 @@
 #include <array>
 #include <cstring>
 #include <ctime>
-#include <fmt/time.h>
+#include <fmt/chrono.h>
 #include "common/file_util.h"
 #include "common/logging/log.h"
 #include "common/scm_rev.h"

src/core/reporter.cpp

@@ -5,8 +5,8 @@
 #include <ctime>
 #include <fstream>
 
+#include <fmt/chrono.h>
 #include <fmt/format.h>
-#include <fmt/time.h>
 #include <json.hpp>
 
 #include "common/file_util.h"