Update buddy_system_allocator requirement from 0.9.0 to 0.11.0 (#9)

Updates the requirements on [buddy_system_allocator](https://github.com/rcore-os/buddy_system_allocator) to permit the latest version.
- [Commits](rcore-os/buddy_system_allocator@v0.9.0...v0.11.0)

---
updated-dependencies:
- dependency-name: buddy_system_allocator
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/hyperlight_guest/Cargo.toml

@@ -14,7 +14,7 @@ alloca = [] # compile alloca wrapper
 [dependencies]
 anyhow = { version = "1.0.45", default-features = false }
 serde_json = { version = "1.0", default-features = false, features = ["alloc"] }
-buddy_system_allocator = "0.9.0"
+buddy_system_allocator = "0.11.0"
 hyperlight-common = { workspace = true }
 spin = "0.9.8"
 log = { version = "0.4", default-features = false }