message: Remove CharType template paramter from Strings::join()
diff: @@ -48,18 +48,18 @@ namespace vcpkg::Strings
  bool case_insensitive_ascii_starts_with(const std::string& s, const std::string& pattern);
  - template<class Container, class Transformer, class CharType>
  - std::basic_string<CharType> join(const CharType* delimiter, const Container& v, Transformer transformer)
  + template<class Container, class Transformer>
  + std::string join(const char* delimiter, const Container& v, Transformer transformer)
  {
  const auto begin = v.begin();
  const auto end = v.end();
  if (begin == end)
  {
  - return std::basic_string<CharType>();
  + return std::string();
  }
  - std::basic_string<CharType> output;
  + std::string output;
  output.append(transformer(*begin));
  for (auto it = std::next(begin); it != end; ++it)
  {
  @@ -69,8 +69,8 @@ namespace vcpkg::Strings
  return output;
  }
  - template<class Container, class CharType>
  - std::basic_string<CharType> join(const CharType* delimiter, const Container& v)
  + template<class Container>
  + std::string join(const char* delimiter, const Container& v)
  {
  using Element = decltype(*v.begin());
  return join(delimiter, v, [](const Element& x) -> const Element& { return x; });
  