Update Rust crate cortex-m-rt to 0.7.1 (#41)
Update Rust crate cortex-m-rt to 0.7.1 (#41)

Co-authored-by: Renovate Bot <c71e7261d37a4f6ae4cfb0cbd79081310a237e67@renovateapp.com>
lucasbrendel/xmc4200,lucasbrendel/xmc4200