The config should still work for 2.0.0-alpha1, but since master has advanced and they changed the toolchain, you need to replicate it too. This was discussed recently in Broken ESP32-C3 config/build after moving to arduino-esp32 v2.0.0-rc1 - #2 by maxgerhardt (equivalently for toolchain-xtensa32s2 for a ESP32-S2 that is, not the riscv toolchain for a ESPC3).
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