build: Bump once_cell from 1.18.0 to 1.19.0 in /fuzz

Bumps [once_cell](https://github.com/matklad/once_cell) from 1.18.0 to 1.19.0.
- [Changelog](https://github.com/matklad/once_cell/blob/master/CHANGELOG.md)
- [Commits](https://github.com/matklad/once_cell/compare/v1.18.0...v1.19.0)

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

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

fuzz/Cargo.lock

@@ -578,9 +578,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.18.0"
+version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
 [[package]]
 name = "option_parser"

fuzz/Cargo.toml

@@ -20,7 +20,7 @@ libfuzzer-sys = "0.4.7"
 linux-loader = { version = "0.10.0", features = ["elf", "bzimage", "pe"] }
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "main" }
 net_util = { path = "../net_util" }
-once_cell = "1.18.0"
+once_cell = "1.19.0"
 seccompiler = "0.4.0"
 virtio-devices = { path = "../virtio-devices" }
 virtio-queue = "0.10.0"