platformio.ini: Compile against forked platform-espressif32.

See platformio/platform-espressif32#1225
for drama and/or details.

Author: rtrbt

software/platformio.ini

@@ -15,7 +15,7 @@ extra_configs = *.ini
 ; ============================================================================
 
 [env]
-platform = platformio/espressif32@^6.7.0
+platform = https://github.com/pioarduino/platform-espressif32.git#Arduino/IDF53
 framework = arduino
 
 monitor_speed = 115200