Bump smallvec from 1.7.0 to 1.9.0

Bumps [smallvec](https://github.com/servo/rust-smallvec) from 1.7.0 to 1.9.0.
- [Release notes](https://github.com/servo/rust-smallvec/releases)
- [Commits](https://github.com/servo/rust-smallvec/compare/v1.7.0...v1.9.0)

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

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

Cargo.lock

@@ -920,9 +920,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.7.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
+checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
 
 [[package]]
 name = "spin"

Cargo.toml

@@ -31,7 +31,7 @@ ring = "0.16"
 privdrop = "0.5"
 byteorder = "1.4"
 thiserror = "1.0"
-smallvec = "1.7"
+smallvec = "1.9"
 dialoguer = { version = "0.9", optional = true }
 tungstenite = { version = "0.16", optional = true, default-features = false }
 url = { version = "2.2", optional = true }