Update maud requirement from 0.26 to 0.27

Updates the requirements on [maud](https://github.com/lambda-fairy/maud) to permit the latest version.
- [Release notes](https://github.com/lambda-fairy/maud/releases)
- [Changelog](https://github.com/lambda-fairy/maud/blob/main/CHANGELOG.md)
- [Commits](lambda-fairy/maud@v0.26.0...v0.27.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Cargo.toml

@@ -142,7 +142,7 @@ hifitime = { version = "4.0.0", features = ["serde", "std"] }
 gnss-rs = { version = "2.3.3", features = ["serde", "domes", "cospar"] }
 gnss-qc-traits = { version = "0.1.0", features = ["html"], optional = true }
 
-maud = { version = "0.26", optional = true }
+maud = { version = "0.27", optional = true }
 
 # BINEX (serdes)
 binex = { git = "https://github.com/rtk-rs/binex", branch = "main", optional = true }