Bump strum from 0.20.0 to 0.24.0 in /src/rust/engine

Bumps [strum](https://github.com/Peternator7/strum) from 0.20.0 to 0.24.0.
- [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] <[email protected]>

src/rust/engine/client/Cargo.toml

@@ -18,7 +18,7 @@ nailgun = { path = "../nailgun" }
 nix = "0.23"
 options = { path = "../options" }
 sha2 = "0.10"
-strum = "0.20"
+strum = "0.24"
 strum_macros = "0.23"
 sysinfo = "0.20.0"
 tokio = { version = "1.16", features = ["rt-multi-thread", "macros", "net", "io-std", "io-util"] }

src/rust/engine/process_execution/Cargo.toml

@@ -46,7 +46,7 @@ async-oncecell = "0.2"
 rand = "0.8"
 prost = "0.9"
 prost-types = "0.9"
-strum = "0.20"
+strum = "0.24"
 strum_macros = "0.23"
 tonic = { version = "0.6", features = ["transport", "codegen", "tls", "tls-roots", "prost"] }
 tryfuture = { path = "../tryfuture" }

src/rust/engine/workunit_store/Cargo.toml

@@ -17,7 +17,7 @@ parking_lot = "0.12"
 petgraph = "0.6"
 rand = "0.8"
 smallvec = "1"
-strum = "0.20"
+strum = "0.24"
 strum_macros = "0.23"
 tokio = { version = "1.16", features = ["rt", "sync"] }