Merge pull request #14500 from Sintendo/span2

Replace `const std::vector&` arguments with `std::span`

Source/Core/UICommon/NetPlayIndex.cpp

@@ -5,6 +5,7 @@
 
 #include <chrono>
 #include <numeric>
+#include <span>
 #include <string>
 
 #include <picojson.h>
@@ -23,14 +24,13 @@ NetPlayIndex::~NetPlayIndex()
     Remove();
 }
 
-static std::optional<picojson::value> ParseResponse(const std::vector<u8>& response)
+static std::optional<picojson::value> ParseResponse(std::span<const u8> response)
 {
-  const std::string response_string(reinterpret_cast<const char*>(response.data()),
-                                    response.size());
+  const char* data = reinterpret_cast<const char*>(response.data());
 
   picojson::value json;
 
-  const auto error = picojson::parse(json, response_string);
+  const auto error = picojson::parse(json, data, data + response.size());
 
   if (!error.empty())
     return {};