Bump serde_derive from 1.0.93 to 1.0.94 (#4856)

Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.93 to 1.0.94.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.93...v1.0.94)

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

runtime/Cargo.toml

@@ -23,7 +23,7 @@ memmap = "0.6.2"
 rand = "0.6.5"
 rayon = "1.1.0"
 serde = "1.0.93"
-serde_derive = "1.0.93"
+serde_derive = "1.0.94"
 serde_json = "1.0.38"
 solana-logger = { path = "../logger", version = "0.17.0" }
 solana-metrics = { path = "../metrics", version = "0.17.0" }