update CI

[burrbull]

• [ ] replace bors with merge queue, rust-embedded/wg#671
• [ ] replace actions-rs with alternative

cc @rust-embedded/tools

[Emilgardis]

I can do this, should be relativly simple, should do the same on rust-embedded/svd also

the wg has not unified on a guideline for how to do this transition, but riscv has transitioned, we can also do so