switch from deprecated probe-run to probe-rs

see the [deprecation blog post] for more information.

[deprecation blog post]: https://ferrous-systems.com/blog/probe-run-deprecation/

Author: rursprung

examples/stm32f4-single-motor-example/.cargo/config

@@ -1,5 +1,5 @@
 [target.thumbv7em-none-eabihf]
-runner = 'probe-run --chip STM32F401RE'
+runner = 'probe-rs run --chip STM32F401RE'
 rustflags = [
     "-C", "link-arg=-Tlink.x",
     "-C", "link-arg=-Tdefmt.x",

examples/stm32f4-single-motor-example/README.md

@@ -19,7 +19,7 @@ to stop (coast, first press), actively brake (second press) and drive again (thi
 
 ## Prerequisites
 1. Optional: ensure that the rust toolchain is up-to-date: `rustup update`
-1. Install `probe-run`: `cargo install probe-run`
+1. Install [`probe-rs`](https://crates.io/crates/probe-rs): `cargo install probe-rs --features cli`
 1. Install `flip-link`: `cargo install flip-link`
     * Note: `flip-link` is not strictly necessary for this example (it doesn't need
       stack protection), however it can be considered best practices to include it.