Bump chrono from 0.4.10 to 0.4.11 (#8755)

Bumps [chrono](https://github.com/chronotope/chrono) from 0.4.10 to 0.4.11.
- [Release notes](https://github.com/chronotope/chrono/releases)
- [Changelog](https://github.com/chronotope/chrono/blob/master/CHANGELOG.md)
- [Commits](https://github.com/chronotope/chrono/compare/v0.4.10...v0.4.11)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

validator/Cargo.toml

@@ -10,7 +10,7 @@ homepage = "https://solana.com/"
 
 [dependencies]
 clap = "2.33.0"
-chrono = { version = "0.4.10", features = ["serde"] }
+chrono = { version = "0.4.11", features = ["serde"] }
 console = "0.9.2"
 log = "0.4.8"
 rand = "0.6.5"