Bump serde from 1.0.117 to 1.0.118 (#29)

* Bump serde from 1.0.117 to 1.0.118

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.117 to 1.0.118.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.117...v1.0.118)

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

* Bump arc-swap.

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: Tomasz Drwięga <tomusdrw@users.noreply.github.com>
Co-authored-by: Tomasz Drwięga <tomasz@parity.io>

client/beefy/rpc/Cargo.toml

@@ -18,6 +18,6 @@ jsonrpc-core-client = "15.1.0"
 jsonrpc-derive = "15.1.0"
 jsonrpc-pubsub = "15.1.0"
 futures = { version = "0.3.4", features = ["compat"] }
-serde = { version = "1.0.105", features = ["derive"] }
+serde = { version = "1.0.118", features = ["derive"] }
 serde_json = "1.0.60"
 log = "0.4.8"