Bump smallvec from 1.6.1 to 1.7.0

Bumps [smallvec](https://github.com/servo/rust-smallvec) from 1.6.1 to 1.7.0.
- [Release notes](https://github.com/servo/rust-smallvec/releases)
- [Commits](https://github.com/servo/rust-smallvec/compare/v1.6.1...v1.7.0)

---
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

@@ -928,9 +928,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.6.1"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
+checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
 
 [[package]]
 name = "spin"

Cargo.toml

@@ -31,7 +31,7 @@ ring = "0.16"
 privdrop = "0.5"
 byteorder = "1.4"
 thiserror = "1.0"
-smallvec = "1.6"
+smallvec = "1.7"
 dialoguer = { version = "0.9", optional = true }
 tungstenite = { version = "0.14", optional = true, default-features = false }
 url = { version = "2.2", optional = true }