Upgrade to C++20 (#4239)

* Use explicit this capture required by C++20
* Use C++20 span
* Replace wpi::numbers with std::numbers
* Fix C++20 clang-tidy warning false positive in fmt
* Remove ciso646 include since C++20 removed that header
* Fix global-buffer-overflow asan warnings in ntcore tests
* Add DIOSetProxy constructor to HAL

* Upgrade MSVC compiler to 2022
* Bump native-utils to 2023.2.7 (changes to std=c++20)

Co-authored-by: Peter Johnson <johnson.peter@gmail.com>

wpiutil/src/main/native/cpp/sha1.cpp

@@ -217,7 +217,7 @@ SHA1::SHA1() {
 }
 
 void SHA1::Update(std::string_view s) {
-  raw_mem_istream is(span<const char>(s.data(), s.size()));
+  raw_mem_istream is(std::span<const char>(s.data(), s.size()));
   Update(is);
 }