Update CI: espressif32@6.12.0

Author: mathieucarbou

platformio.ini

@@ -22,7 +22,7 @@ monitor_filters = esp32_exception_decoder, log2file
 board = esp32dev
 
 [env:arduino-2]
-platform = espressif32@6.10.0
+platform = espressif32@6.12.0
 
 [env:arduino-3]
 platform = https://github.com/pioarduino/platform-espressif32/releases/download/55.03.30-1/platform-espressif32.zip
@@ -46,7 +46,7 @@ custom_versions.freertos = 9.0.0
 ;  CI
 
 [env:ci-arduino-2]
-platform = espressif32@6.10.0
+platform = espressif32@6.12.0
 board = ${sysenv.PIO_BOARD}
 
 [env:ci-arduino-3]