* Atomics: Replace polyfill with portable-atomic
* Update Cargo.lock for examples
* RTIC: portable-atomic: Update changelog
* rtic-monotonics: portable-atomic: Update changelog
* lm3s6965: enable critical-section when testing
* xtask: Enable portable-atomic/critical-section
When dealing with rtic-monotonics
* rtic-monotonics: portable-atomics: Do not disable the ability to fallback
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Co-authored-by: Emil Fresk <emil.fresk@gmail.com>
* Update Cargo.toml esp32c3 dependency
* fixed esp32c3 example to build with esp32c3=0.22.0 dependency
* added CHANGELOG.md entry for esp32c3 version update