* build(examples): pull up compile tasks
* build(examples): set toolchain for compiles tasks
* build(examples): set toolchain for build and check
* build(examples): set toolchain of other examples
* Switch RwLock to parking_lot so they are no longer async
* cleanup todo_app_sqlite_axum
* add errors_axum example
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Co-authored-by: Indrazar <110272232+Indrazar@users.noreply.github.com>