Bump serde_yaml from 0.8.9 to 0.8.11 (#6246)

Bumps [serde_yaml](https://github.com/dtolnay/serde-yaml) from 0.8.9 to 0.8.11.
- [Release notes](https://github.com/dtolnay/serde-yaml/releases)
- [Commits](https://github.com/dtolnay/serde-yaml/compare/0.8.9...0.8.11)

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

ledger-tool/Cargo.toml

@@ -14,7 +14,7 @@ clap = "2.33.0"
 serde = "1.0.101"
 serde_derive = "1.0.101"
 serde_json = "1.0.41"
-serde_yaml = "0.8.9"
+serde_yaml = "0.8.11"
 solana-core = { path = "../core", version = "0.20.0" }
 solana-logger = { path = "../logger", version = "0.20.0" }
 solana-runtime = { path = "../runtime", version = "0.20.0" }