update ArduinoJson

lib/ArduinoJson/extras/tests/Helpers/CustomReader.hpp

@@ -1,5 +1,5 @@
 // ArduinoJson - https://arduinojson.org
-// Copyright © 2014-2022, Benoit BLANCHON
+// Copyright © 2014-2023, Benoit BLANCHON
 // MIT License
 
 #pragma once
@@ -11,6 +11,7 @@ class CustomReader {
 
  public:
   CustomReader(const char* input) : _stream(input) {}
+  CustomReader(const CustomReader&) = delete;
 
   int read() {
     return _stream.get();
@@ -20,7 +21,4 @@ class CustomReader {
     _stream.read(buffer, static_cast<std::streamsize>(length));
     return static_cast<size_t>(_stream.gcount());
   }
-
- private:
-  CustomReader(const CustomReader&);
 };