Mute GCC 13 warning Print::write(const void*, uint32) was hidden

```
In file included from /home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/extras/test/cores/stm32f1/Stream.h:7,
                 from /home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/src/StreamUtils/Prints/../Policies/WriteBufferingPolicy.hpp:7,
                 from /home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/src/StreamUtils/Prints/BufferingPrint.hpp:7,
                 from /home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/extras/test/BufferingPrintTest.cpp:7:
/home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/extras/test/cores/stm32f1/Print.h:15:18: error: ‘virtual size_t Print::write(const void*, uint32)’ was hidden [-Werror=overloaded-virtual=]
   15 |   virtual size_t write(const void *buf, uint32 len) = 0;
      |                  ^~~~~
In file included from /home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/src/StreamUtils/Prints/../Policies/../Buffers/LinearBuffer.hpp:7,
                 from /home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/src/StreamUtils/Prints/../Policies/WriteBufferingPolicy.hpp:9:
/home/runner/work/ArduinoStreamUtils/ArduinoStreamUtils/extras/test/cores/stm32f1/Client.h:24:18: note:   by ‘Client::write’
   24 |   virtual size_t write(const uint8_t *buf, size_t size) = 0;
      |                  ^~~~~
```

Author: bblanchon

extras/test/cores/stm32f1/CMakeLists.txt

@@ -15,4 +15,9 @@ target_compile_definitions(Stm32F1Core
 		ARDUINO_ARCH_STM32F1
 )
 
+target_compile_options(Stm32F1Core
+	INTERFACE
+		-Wno-overloaded-virtual
+)
+
 add_streamutils_test(StreamUtilsTestStm32F1 Stm32F1Core)

extras/test/cores/stm32f4/CMakeLists.txt

@@ -16,4 +16,9 @@ target_compile_definitions(Stm32F4Core
 		ARDUINO_ARCH_STM32F4
 )
 
+target_compile_options(Stm32F4Core
+	INTERFACE
+		-Wno-overloaded-virtual
+)
+
 add_streamutils_test(StreamUtilsTestStm32F4 Stm32F4Core)