fix(matter): typo

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: SuGlider

idf_component_examples/Arduino_ESP-Matter-over-Thread_ESP32-C6/sdkconfig.defaults

@@ -14,7 +14,7 @@ CONFIG_ARDUINO_SELECTIVE_Network=y
 CONFIG_ARDUINO_SELECTIVE_ESPmDNS=y
 CONFIG_ARDUINO_SELECTIVE_Matter=y
 
-# Flash Confinguration
+# Flash Configuration
 CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
 CONFIG_ESPTOOLPY_FLASH_SAMPLE_MODE_STR=y
 CONFIG_ESPTOOLPY_FLASHMODE="dio"