fix(build): Use correct method signature

Author: me-no-dev

libraries/ESP_I2S/src/ESP_I2S.cpp

@@ -819,7 +819,7 @@ size_t I2SClass::readBytes(char *buffer, size_t size) {
   return total_size;
 }
 
-size_t I2SClass::write(uint8_t *buffer, size_t size) {
+size_t I2SClass::write(const uint8_t *buffer, size_t size) {
   size_t written = 0;
   size_t bytes_sent = 0;
   last_error = ESP_FAIL;

libraries/ESP_I2S/src/ESP_I2S.h

@@ -62,7 +62,7 @@ class I2SClass : public Stream {
   bool end();
 
   size_t readBytes(char *buffer, size_t size);
-  size_t write(uint8_t *buffer, size_t size);
+  size_t write(const uint8_t *buffer, size_t size);
 
   i2s_chan_handle_t txChan();
   uint32_t txSampleRate();