build(deps): bump bytemuck_derive from 1.8.1 to 1.9.1

Bumps [bytemuck_derive](https://github.com/Lokathor/bytemuck) from 1.8.1 to 1.9.1.
- [Changelog](https://github.com/Lokathor/bytemuck/blob/main/changelog.md)
- [Commits](Lokathor/bytemuck@bytemuck_derive-v1.8.1...bytemuck_derive-v1.9.1)

---
updated-dependencies:
- dependency-name: bytemuck_derive
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -14,7 +14,7 @@ borsh = ["dep:borsh", "solana-pubkey/borsh"]
 [dependencies]
 borsh = { version = "1.5.5", features = ["derive", "unstable__schema"], optional = true }
 bytemuck = { version = "1.22.0" }
-bytemuck_derive = { version = "1.8.1" }
+bytemuck_derive = { version = "1.9.1" }
 num-derive = "0.4"
 num-traits = "0.2"
 serde = { version = "1.0.219", optional = true }