* test ci
* fix ci with new compiler
* god bless clippy fix
* refmuts
* clippy
* tests work
* use new compiler
* use new compiler
* bump MSRV of esp-hal and crates that depend on esp-hal
* fix eyesore
* clippy again
* remove hardcoded compiler version
* bump rust-version as well
* note MSRV bump in changelog
* Hide most of the unstable peripherals
* Lint with correct toolchain, lint with unstable enabled
* Require unstable feature and lint using it
* Auto-lint xtensas with esp toolchain
* Fix msrv and ieee802154
* Add feature to examples
* Don't require building ieee802154 for all examples
* Mark modules in documentation
* Extract embassy support into `esp-hal-embassy` package
* Update relevant packages/examples/tests to get CI green again
* Add back `defmt` support
* Re-export `Executor` and `InterruptExecutor` rather than making `executor` module public
* Document the `esp-hal-embassy` package
* Update `CHANGELOG.md`
* Hack together a "fix" for the `SYSTIMER` time driver
* Make `clippy` shut up
