[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.

wpilibc/src/main/native/include/frc/Notifier.h

@@ -7,6 +7,7 @@
 #include <stdint.h>
 
 #include <atomic>
+#include <concepts>
 #include <functional>
 #include <string_view>
 #include <thread>
@@ -14,7 +15,6 @@
 
 #include <hal/Types.h>
 #include <units/time.h>
-#include <wpi/concepts.h>
 #include <wpi/mutex.h>
 
 namespace frc {

wpilibc/src/main/native/include/frc/smartdashboard/MechanismObject2d.h

@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <concepts>
 #include <memory>
 #include <stdexcept>
 #include <string>
@@ -12,7 +13,6 @@
 
 #include <networktables/NetworkTable.h>
 #include <wpi/StringMap.h>
-#include <wpi/concepts.h>
 
 #include "frc/Errors.h"
 

wpilibc/src/main/native/include/frc/smartdashboard/SendableChooser.h

@@ -4,11 +4,11 @@
 
 #pragma once
 
+#include <concepts>
 #include <memory>
 #include <string_view>
 
 #include <wpi/StringMap.h>
-#include <wpi/concepts.h>
 
 #include "frc/smartdashboard/SendableChooserBase.h"