message: Fix Strings::split() to handle delimiters of arbitrary size
diff: @@ -154,11 +154,13 @@ namespace vcpkg::Strings
  return output;
  }
  + const size_t delimiter_length = delimiter.length();
  size_t i = 0;
  for (size_t pos = s.find(delimiter); pos != std::string::npos; pos = s.find(delimiter, pos))
  {
  output.push_back(s.substr(i, pos - i));
  - i = ++pos;
  + pos += delimiter_length;
  + i = pos;
  }
  // Add the rest of the string after the last delimiter, unless there is nothing after it
  