build(deps): update clap_lex requirement from =0.5.0 to =0.7.1

Updates the requirements on [clap_lex](https://github.com/clap-rs/clap) to permit the latest version.
- [Release notes](https://github.com/clap-rs/clap/releases)
- [Changelog](https://github.com/clap-rs/clap/blob/master/CHANGELOG.md)
- [Commits](clap-rs/clap@clap_lex-v0.5.0...clap_lex-v0.7.1)

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

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

mavlink-bindgen/Cargo.toml

@@ -18,7 +18,7 @@ clap = { version = "~4.3.24", optional = true, default-features =false, features
 thiserror = "1.0.56"
 
 # Required to support MSRV 1.65.0
-clap_lex = { version = "=0.5.0", optional=true }
+clap_lex = { version = "=0.7.1", optional=true }
 clap_builder = { version = "~4.3.24", optional=true}
 anstyle = { version = "=1.0.2", optional=true }
 anstyle-query = { version = "=1.0.0", optional=true }