Add .git_ignore esp32/test/__pycache__/**

When running pytest in esp32/test it will create files eg: "src/platforms/esp32/test/__pycache__/test_atomvm.cpython-312-pytest-8.2.2.pyc" this git_ignores that folder.

Signed-off-by: Peter M <[email protected]>

.gitignore

@@ -11,6 +11,7 @@ xcode/**
 src/platforms/esp32/build/**
 src/platforms/esp32/build/**/*.d
 src/platforms/esp32/test/build/**
+src/platforms/esp32/test/__pycache__/**
 src/platforms/esp32/components/**
 src/platforms/esp32/managed_components/**
 src/platforms/esp32/sdkconfig