Merge pull request #41 from openbikesensor/upgrade_toolchain

Upgrade ESP Toolkit, fix deprecations

fixes #35

Author: gluap

.gitignore

@@ -5,3 +5,6 @@
 .vscode/ipch
 cmake-*/
 sdkconfig.old
+venv
+CMakeLists.txt
+.vscode

platformio.ini

@@ -9,7 +9,7 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [env:esp32dev]
-platform = espressif32 @ ^3
+platform = espressif32 @ 6.9.0
 board = esp32dev
 framework = espidf
 debug_tool = esp-prog