Bump strum from 0.20.0 to 0.21.0 (#3343)

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)

---
updated-dependencies:
- dependency-name: strum
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

polkadot/Cargo.lock

@@ -6326,7 +6326,7 @@ dependencies = [
  "polkadot-primitives",
  "sc-authority-discovery",
  "sc-network",
- "strum 0.20.0",
+ "strum 0.21.0",
  "thiserror",
 ]
 
@@ -10244,6 +10244,9 @@ name = "strum"
 version = "0.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aaf86bbcfd1fa9670b7a129f64fc0c9fcbbfe4f1bc4210e9e98fe71ffc12cde2"
+dependencies = [
+ "strum_macros 0.21.1",
+]
 
 [[package]]
 name = "strum_macros"

polkadot/node/network/protocol/Cargo.toml

@@ -13,7 +13,7 @@ polkadot-node-jaeger = { path = "../../jaeger" }
 parity-scale-codec = { version = "2.0.0", default-features = false, features = ["derive"] }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-authority-discovery = { git = "https://github.com/paritytech/substrate", branch = "master" }
-strum = { version = "0.20", features = ["derive"] }
+strum = { version = "0.21", features = ["derive"] }
 derive_more = "0.99.11"
 futures = "0.3.15"
 thiserror = "1.0.26"