Bump strum_macros from 0.19.4 to 0.20.1

Bumps [strum_macros](https://github.com/Peternator7/strum) from 0.19.4 to 0.20.1.
- [Release notes](https://github.com/Peternator7/strum/releases)
- [Changelog](https://github.com/Peternator7/strum/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Peternator7/strum/commits)

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

Cargo.toml

@@ -43,7 +43,7 @@ webbrowser = "0.5"
 clipboard = { version = "0.5", optional = true }
 url = "1.7"
 strum = "0.20.0"
-strum_macros = "0.19.4"
+strum_macros = "0.20.1"
 libc = "0.2"
 regex = "1"