Update winnow requirement from 0.6.8 to 0.7.0

Updates the requirements on [winnow](https://github.com/winnow-rs/winnow) to permit the latest version.
- [Changelog](https://github.com/winnow-rs/winnow/blob/main/CHANGELOG.md)
- [Commits](winnow-rs/winnow@v0.6.8...v0.7.0)

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

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

Cargo.toml

@@ -21,7 +21,7 @@ time = { version = "0.3.17", optional = true, default-features = false }
 
 serde = { version = "1.0.147", features = ["derive"], optional = true}
 rust_decimal = { version = "1.29.1", default-features = false }
-winnow = "0.6.8"
+winnow = "0.7.0"
 
 [dev-dependencies]
 serde_json = { version = "1.0.87" }