Use 8.4.0+2021r2-patch2 toolchains for CI (#6184)

with platformio

Author: Jason2866

Diff for: .github/scripts/install-platformio-esp32.sh

@@ -3,9 +3,9 @@
 export PLATFORMIO_ESP32_PATH="$HOME/.platformio/packages/framework-arduinoespressif32"
 PLATFORMIO_ESP32_URL="https://github.com/platformio/platform-espressif32.git#feature/arduino-idf-master"
 
-XTENSA32_TOOLCHAIN_VERSION="8.4.0+2021r1"
-XTENSA32S2_TOOLCHAIN_VERSION="8.4.0+2021r1"
-RISCV_TOOLCHAIN_VERSION="8.4.0+2021r1"
+XTENSA32_TOOLCHAIN_VERSION="8.4.0+2021r2-patch2"
+XTENSA32S2_TOOLCHAIN_VERSION="8.4.0+2021r2-patch2"
+RISCV_TOOLCHAIN_VERSION="8.4.0+2021r2-patch2"
 ESPTOOLPY_VERSION="~1.30100.0"
 ESPRESSIF_ORGANIZATION_NAME="espressif"