build: Bump bitflags from 2.4.1 to 2.4.2

Bumps [bitflags](https://github.com/bitflags/bitflags) from 2.4.1 to 2.4.2.
- [Release notes](https://github.com/bitflags/bitflags/releases)
- [Changelog](https://github.com/bitflags/bitflags/blob/main/CHANGELOG.md)
- [Commits](https://github.com/bitflags/bitflags/compare/2.4.1...2.4.2)

---
updated-dependencies:
- dependency-name: bitflags
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

vmm/Cargo.toml

@@ -21,7 +21,7 @@ acpi_tables = { git = "https://github.com/rust-vmm/acpi_tables", branch = "main"
 anyhow = "1.0.79"
 arc-swap = "1.5.1"
 arch = { path = "../arch" }
-bitflags = "2.4.1"
+bitflags = "2.4.2"
 block = { path = "../block" }
 blocking = { version = "1.5.1", optional = true }
 cfg-if = "1.0.0"