Update strum_macros requirement from 0.26 to 0.27 (#35)

Updates the requirements on [strum_macros](https://github.com/Peternator7/strum) to permit the latest version.
- [Release notes](https://github.com/Peternator7/strum/releases)
- [Changelog](https://github.com/Peternator7/strum/blob/master/CHANGELOG.md)
- [Commits](Peternator7/strum@v0.26.1...v0.27.0)

---
updated-dependencies:
- dependency-name: strum_macros
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

cggtts/Cargo.toml

@@ -21,7 +21,7 @@ thiserror = "2"
 scan_fmt = "0.1.3"
 strum = "0.27"
 itertools = "0.13"
-strum_macros = "0.26"
+strum_macros = "0.27"
 serde = { version = "1.0", optional = true, features = ["derive"] }
 gnss-rs = { version = "2.3.1", features = ["serde"] }
 hifitime = { version = "4.0", features = ["serde", "std"] }