Release v1.97.0.0

Rust Xtensa Toolchain v1.97.0.0 for ESP32, ESP32-S2, ESP32-S3.

Installation: https://docs.espressif.com/projects/rust/book/getting-started/toolchain.html

espup install --toolchain-version 
source ~/export-esp.sh

Note: For the ESP32-C2, ESP32-C3, ESP32-C6, or ESP32-H2, you can use the Rust nightly, stable, or esp channels.