Bump serde_derive from 1.0.98 to 1.0.99 (#5539)

Bumps [serde_derive](https://github.com/serde-rs/serde) from 1.0.98 to 1.0.99.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](https://github.com/serde-rs/serde/compare/v1.0.98...v1.0.99)

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

ledger-tool/Cargo.toml

@@ -12,7 +12,7 @@ homepage = "https://solana.com/"
 bincode = "1.1.4"
 clap = "2.33.0"
 serde = "1.0.99"
-serde_derive = "1.0.98"
+serde_derive = "1.0.99"
 serde_json = "1.0.40"
 serde_yaml = "0.8.9"
 solana-core = { path = "../core", version = "0.18.0-pre2" }