Bump sbp from 4.1.6 to 4.2.0

Bumps [sbp](https://github.com/swift-nav/libsbp) from 4.1.6 to 4.2.0.
- [Release notes](https://github.com/swift-nav/libsbp/releases)
- [Changelog](https://github.com/swift-nav/libsbp/blob/master/CHANGELOG.md)
- [Commits](swift-nav/libsbp@v4.1.6...v4.2.0)

---
updated-dependencies:
- dependency-name: sbp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -40,7 +40,7 @@ serde-pickle = { version = "1.1.0", optional = true }
 parking_lot = "0.12.0"
 regex = { version = "1.5.5" }
 rust-ini = "0.18.0"
-sbp = { version = "4.1.6", features = ["json", "link", "swiftnav"] }
+sbp = { version = "4.2.0", features = ["json", "link", "swiftnav"] }
 sbp-settings = "0.6.9"
 env_logger = { version = "0.9", optional = true }
 mimalloc = { version = "0.1", default-features = false }