[wpiutil] Upgrade to macOS 12 to remove concept shims (#5379)

The macOS deployment target has been upgraded from 10.15 to 11. Also, a
deprecation warning for sprintf() in libuv was suppressed.

ntcore/src/main/native/cpp/net/WireDecoder.cpp

@@ -5,11 +5,11 @@
 #include "WireDecoder.h"
 
 #include <algorithm>
+#include <concepts>
 
 #include <fmt/format.h>
 #include <wpi/Logger.h>
 #include <wpi/SpanExtras.h>
-#include <wpi/concepts.h>
 #include <wpi/json.h>
 #include <wpi/mpack.h>
 

ntcore/src/main/native/include/networktables/NetworkTableValue.h

@@ -7,6 +7,7 @@
 #include <stdint.h>
 
 #include <cassert>
+#include <concepts>
 #include <initializer_list>
 #include <memory>
 #include <span>
@@ -15,8 +16,6 @@
 #include <utility>
 #include <vector>
 
-#include <wpi/concepts.h>
-
 #include "ntcore_c.h"
 
 namespace nt {