chore(deps): update textwrap requirement from 0.14.0 to 0.15.0

Updates the requirements on [textwrap](https://github.com/mgeisler/textwrap) to permit the latest version.
- [Release notes](https://github.com/mgeisler/textwrap/releases)
- [Changelog](https://github.com/mgeisler/textwrap/blob/master/CHANGELOG.md)
- [Commits](mgeisler/textwrap@0.14.0...0.15.0)

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

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

Cargo.toml

@@ -119,7 +119,7 @@ path = "benches/06_rustup.rs"
 [dependencies]
 clap_derive = { path = "./clap_derive", version = "3.1.0", optional = true }
 bitflags = "1.2"
-textwrap = { version = "0.14.0", default-features = false, features = [] }
+textwrap = { version = "0.15.0", default-features = false, features = [] }
 unicase = { version = "2.6", optional = true }
 indexmap = "1.0"
 os_str_bytes = "6.0"