cargo: bump panic-halt in /src/exercises/bare-metal/compass

Bumps [panic-halt](https://github.com/korken89/panic-halt) from 0.2.0 to 1.0.0.
- [Release notes](https://github.com/korken89/panic-halt/releases)
- [Changelog](https://github.com/korken89/panic-halt/blob/master/CHANGELOG.md)
- [Commits](korken89/panic-halt@v0.2.0...v1.0.0)

---
updated-dependencies:
- dependency-name: panic-halt
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/exercises/bare-metal/compass/Cargo.lock

@@ -11,4 +11,4 @@ cortex-m-rt = "0.7.3"
 embedded-hal = "1.0.0"
 lsm303agr = "1.1.0"
 microbit-v2 = "0.15.1"
-panic-halt = "0.2.0"
+panic-halt = "1.0.0"