Bump smallvec from 1.4.2 to 1.5.0

Bumps [smallvec](https://github.com/servo/rust-smallvec) from 1.4.2 to 1.5.0.
- [Release notes](https://github.com/servo/rust-smallvec/releases)
- [Commits](https://github.com/servo/rust-smallvec/compare/v1.4.2...v1.5.0)

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

Cargo.lock

@@ -510,9 +510,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.4.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
+checksum = "7acad6f34eb9e8a259d3283d1e8c1d34d7415943d4895f65cc73813c7396fc85"
 
 [[package]]
 name = "spin"

Cargo.toml

@@ -29,7 +29,7 @@ ring = "0.16"
 privdrop = "0.5"
 byteorder = "1.3"
 thiserror = "1.0"
-smallvec = "1.4"
+smallvec = "1.5"
 
 [dev-dependencies]
 tempfile = "3"