Update imxrt-ral requirement from 0.5.3 to 0.6.0

Updates the requirements on [imxrt-ral](https://github.com/imxrt-rs/imxrt-ral) to permit the latest version.
- [Release notes](https://github.com/imxrt-rs/imxrt-ral/releases)
- [Changelog](https://github.com/imxrt-rs/imxrt-ral/blob/master/CHANGELOG.md)
- [Commits](imxrt-rs/imxrt-ral@0.5.3...0.6.0)

---
updated-dependencies:
- dependency-name: imxrt-ral
  dependency-type: direct:production
...

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

rtic-monotonics/Cargo.toml

@@ -64,7 +64,7 @@ nrf9160-pac = { version = "0.12.2", optional = true }
 stm32-metapac = { version = "15.0.0", optional = true }
 
 # i.MX RT
-imxrt-ral = { version = "0.5.3", optional = true }
+imxrt-ral = { version = "0.6.0", optional = true }
 
 
 esp32c3 = {version = "0.26.0", optional = true }