Add rand-core v0.9 support.

Co-Authored-By: Aurélien Jacobs <aurel@gnuage.org>

examples/stm32h7rs/Cargo.toml

@@ -26,7 +26,6 @@ embedded-nal-async = "0.8.0"
 embedded-io-async = { version = "0.6.1" }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 heapless = { version = "0.8", default-features = false }
-rand_core = "0.6.3"
 critical-section = "1.1"
 micromath = "2.0.0"
 stm32-fmc = "0.3.0"

examples/stm32h7rs/src/bin/eth.rs

@@ -11,7 +11,6 @@ use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
 use embassy_time::Timer;
 use heapless::Vec;
-use rand_core::RngCore;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};