Bump flatbuffers from 25.9.23 to 25.12.19

Bumps [flatbuffers](https://github.com/google/flatbuffers) from 25.9.23 to 25.12.19.
- [Release notes](https://github.com/google/flatbuffers/releases)
- [Changelog](https://github.com/google/flatbuffers/blob/master/CHANGELOG.md)
- [Commits](google/flatbuffers@v25.9.23...v25.12.19)

---
updated-dependencies:
- dependency-name: flatbuffers
  dependency-version: 25.12.19
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Cargo.lock

@@ -15,7 +15,7 @@ Hyperlight's components common to host and guest.
 workspace = true
 
 [dependencies]
-flatbuffers = { version = "25.9.23", default-features = false }
+flatbuffers = { version = "25.12.19", default-features = false }
 anyhow = { version = "1.0.100", default-features = false }
 log = "0.4.29"
 tracing = { version = "0.1.44", optional = true }

src/hyperlight_common/Cargo.toml

@@ -15,7 +15,7 @@ Provides only the essential building blocks for interacting with the host enviro
 anyhow = { version = "1.0.100", default-features = false }
 serde_json = { version = "1.0", default-features = false, features = ["alloc"] }
 hyperlight-common = { workspace = true, default-features = false }
-flatbuffers = { version= "25.9.23", default-features = false }
+flatbuffers = { version= "25.12.19", default-features = false }
 tracing = { version = "0.1.44", default-features = false, features = ["attributes"] }
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]

src/hyperlight_guest/Cargo.toml

@@ -30,7 +30,7 @@ buddy_system_allocator = "0.11.0"
 log = { version = "0.4", default-features = false }
 linkme = { version = "0.3.35", optional = true }
 spin = "0.10.0"
-flatbuffers = { version = "25.2.10", default-features = false }
+flatbuffers = { version = "25.12.19", default-features = false }
 tracing = { version = "0.1.44", default-features = false, features = ["attributes"] }
 
 [lints]

src/hyperlight_guest_bin/Cargo.toml

@@ -16,7 +16,7 @@ hyperlight-guest = { workspace = true, default-features = false }
 hyperlight-guest-bin = { workspace = true, default-features = true }
 hyperlight-common = { workspace = true, default-features = false }
 
-flatbuffers = { version = "25.2.10", default-features = false }
+flatbuffers = { version = "25.12.19", default-features = false }
 log = { version = "0.4", default-features = false }
 
 [build-dependencies]

src/hyperlight_guest_capi/Cargo.toml

@@ -27,7 +27,7 @@ goblin = { version = "0.10", default-features = false, features = ["std", "elf32
 rand = { version = "0.9" }
 cfg-if = { version = "1.0.4" }
 libc = { version = "0.2.178" }
-flatbuffers = "25.9.23"
+flatbuffers = "25.12.19"
 framehop = { version = "0.15.0", optional = true }
 fallible-iterator = { version = "0.3.0", optional = true }
 blake3 = "1.8.2"