Bump semver from 1.0.19 to 1.0.20

Bumps [semver](https://github.com/dtolnay/semver) from 1.0.19 to 1.0.20.
- [Release notes](https://github.com/dtolnay/semver/releases)
- [Commits](dtolnay/semver@1.0.19...1.0.20)

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

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

crates/build/Cargo.toml

@@ -29,7 +29,7 @@ scale = { package = "parity-scale-codec", version = "3.0.0", features = ["derive
 toml = "0.8.2"
 tracing = "0.1.37"
 parity-wasm = { version = "0.45.0", features = ["sign_ext"] }
-semver = { version = "1.0.19", features = ["serde"] }
+semver = { version = "1.0.20", features = ["serde"] }
 serde = { version = "1", default-features = false, features = ["derive"] }
 serde_json = "1.0.107"
 tempfile = "3.8.0"

crates/metadata/Cargo.toml

@@ -15,7 +15,7 @@ include = ["Cargo.toml", "*.rs", "LICENSE"]
 
 [dependencies]
 impl-serde = "0.4.0"
-semver = { version = "1.0.19", features = ["serde"] }
+semver = { version = "1.0.20", features = ["serde"] }
 serde = { version = "1", default-features = false, features = ["derive"] }
 serde_json = "1.0.107"
 url = { version = "2.4.1", features = ["serde"] }