Update for C++17 and fix MSVC warnings (#1694)

* Update MSVC arguments
* Fix json allocator
* Fix simulation diamond
* Bump gtest
* Remove empty varargs in unit tests
* Replace test case with test suite
* Remove deprecation warning in optional
* Remove need for NOMIXMAX to be defined in wpilib headers

wpiutil/src/test/native/cpp/json/unit-deserialization.cpp

@@ -133,6 +133,6 @@ static const char* error_cases[] = {
     "\"\x7F\xF4\x7F",
 };
 
-INSTANTIATE_TEST_CASE_P(JsonDeserializationErrorTests,
+INSTANTIATE_TEST_SUITE_P(JsonDeserializationErrorTests,
                         JsonDeserializationErrorTest,
-                        ::testing::ValuesIn(error_cases), );
+                        ::testing::ValuesIn(error_cases));