Update fitparser requirement from 0.7.0 to 0.8.0 (#14)

Updates the requirements on [fitparser](https://github.com/stadelmanma/fitparse-rs) to permit the latest version.
- [Release notes](https://github.com/stadelmanma/fitparse-rs/releases)
- [Changelog](https://github.com/stadelmanma/fitparse-rs/blob/v0.8.0/CHANGELOG.md)
- [Commits](stadelmanma/fitparse-rs@v0.7.0...v0.8.0)

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

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

Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.1"
 edition = "2021"
 
 [dependencies]
-fitparser = "0.7.0"
+fitparser = "0.8.0"
 chrono = "0.4.28"
 clap = { version =  "4.5.17", features= ["derive"] }