Bump embedded-hal in /rtic_v0.5/stm32f1_bluepill_blinky

Bumps [embedded-hal](https://github.com/rust-embedded/embedded-hal) from 0.2.7 to 1.0.0.
- [Release notes](https://github.com/rust-embedded/embedded-hal/releases)
- [Commits](rust-embedded/embedded-hal@v0.2.7...embedded-hal-v1.0.0)

---
updated-dependencies:
- dependency-name: embedded-hal
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

rtic_v0.5/stm32f1_bluepill_blinky/Cargo.toml

@@ -11,7 +11,7 @@ edition = "2018"
 [dependencies]
 panic-semihosting = "0.6"
 cortex-m-semihosting = "0.5.0"
-embedded-hal = "0.2.3"
+embedded-hal = "1.0.0"
 cortex-m-rtic = { version = "0.5.9", default-features = false, features = ["cortex-m-7"] }