Bump hashbrown from 0.2.2 to 0.3.1 (#5381)

Bumps [hashbrown](https://github.com/rust-lang/hashbrown) from 0.2.2 to 0.3.1.
- [Release notes](https://github.com/rust-lang/hashbrown/releases)
- [Changelog](https://github.com/rust-lang/hashbrown/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rust-lang/hashbrown/compare/v0.2.2...v0.3.1)

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

genesis/Cargo.toml

@@ -23,7 +23,7 @@ solana-storage-api = { path = "../programs/storage_api", version = "0.18.0-pre1"
 solana-vote-api = { path = "../programs/vote_api", version = "0.18.0-pre1" }
 
 [dev-dependencies]
-hashbrown = "0.3.0"
+hashbrown = "0.3.1"
 
 
 [features]