Bump smallvec from 1.7.0 to 1.8.0 (#10949)

Bumps [smallvec](https://github.com/servo/rust-smallvec) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/servo/rust-smallvec/releases)
- [Commits](https://github.com/servo/rust-smallvec/compare/v1.7.0...v1.8.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

substrate/frame/support/Cargo.toml

@@ -32,7 +32,7 @@ once_cell = { version = "1", default-features = false, optional = true }
 sp-state-machine = { version = "0.11.0", optional = true, path = "../../primitives/state-machine" }
 bitflags = "1.3"
 impl-trait-for-tuples = "0.2.1"
-smallvec = "1.7.0"
+smallvec = "1.8.0"
 log = { version = "0.4.14", default-features = false }
 sp-core-hashing-proc-macro = { version = "4.0.0-dev", path = "../../primitives/core/hashing/proc-macro" }
 

substrate/frame/transaction-payment/Cargo.toml

@@ -18,7 +18,7 @@ codec = { package = "parity-scale-codec", version = "3.0.0", default-features =
 ] }
 scale-info = { version = "2.0.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.136", optional = true }
-smallvec = "1.7.0"
+smallvec = "1.8.0"
 
 sp-core = { version = "5.0.0", path = "../../primitives/core", default-features = false }
 sp-io = { version = "5.0.0", path = "../../primitives/io", default-features = false }

substrate/frame/transaction-payment/asset-tx-payment/Cargo.toml

@@ -29,7 +29,7 @@ scale-info = { version = "2.0.0", default-features = false, features = ["derive"
 serde = { version = "1.0.136", optional = true }
 
 [dev-dependencies]
-smallvec = "1.7.0"
+smallvec = "1.8.0"
 serde_json = "1.0.74"
 
 sp-storage = { version = "5.0.0", default-features = false, path = "../../../primitives/storage" }