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>

docs/build.gradle

@@ -57,7 +57,6 @@ doxygen {
     if (project.hasProperty('docWarningsAsErrors')) {
         // C++20 shims
         exclude 'wpi/ghc/filesystem.hpp'
-        exclude 'wpi/span.h'
 
         // Drake
         exclude 'drake/common/**'