cargo: bump strum from 0.20.0 to 0.21.0

Bumps [strum](https://github.com/Peternator7/strum) from 0.20.0 to 0.21.0.
- [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[bot] <support@github.com>

Cargo.lock

@@ -3593,9 +3593,9 @@ checksum = "6446ced80d6c486436db5c078dde11a9f73d42b57fb273121e160b84f63d894c"
 
 [[package]]
 name = "strum"
-version = "0.20.0"
+version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7318c509b5ba57f18533982607f24070a55d353e90d4cae30c467cdb2ad5ac5c"
+checksum = "aaf86bbcfd1fa9670b7a129f64fc0c9fcbbfe4f1bc4210e9e98fe71ffc12cde2"
 
 [[package]]
 name = "strum_macros"

Cargo.toml

@@ -66,7 +66,7 @@ sha-1 = "0.9.6"
 sha2 = "0.9.5"
 smallvec = "1.0.0"
 stop-token = "0.2.0"
-strum = "0.20.0"
+strum = "0.21.0"
 strum_macros = "0.21.1"
 surf = { version = "2.0.0-alpha.4", default-features = false, features = ["h1-client"] }
 thiserror = "1.0.25"