upgrade dependency: signal-hook

Cargo.lock

@@ -1966,7 +1966,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serial_test",
- "signal-hook",
+ "signal-hook 0.4.4",
  "signal-hook-mio",
  "stacker",
  "static_assertions",
@@ -2358,6 +2358,16 @@ dependencies = [
  "signal-hook-registry",
 ]
 
+[[package]]
+name = "signal-hook"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2a0c28ca5908dbdbcd52e6fdaa00358ab88637f8ab33e1f188dd510eb44b53d"
+dependencies = [
+ "libc",
+ "signal-hook-registry",
+]
+
 [[package]]
 name = "signal-hook-mio"
 version = "0.2.5"
@@ -2366,7 +2376,7 @@ checksum = "b75a19a7a740b25bc7944bdee6172368f988763b744e3d4dfe753f6b4ece40cc"
 dependencies = [
  "libc",
  "mio",
- "signal-hook",
+ "signal-hook 0.3.18",
 ]
 
 [[package]]

Cargo.toml

@@ -55,7 +55,7 @@ arbitrary = { version = "1.4.1", features = ["derive"] }
 anyhow = { version = "1.0.98", features = ["backtrace", "std"] }
 mio = { version = "1.0.3", features = ["net", "os-poll"] }
 signal-hook-mio = { version = "0.2.4", features = ["support-v1_0"] }
-signal-hook = "0.3.17"
+signal-hook = "0.4.4"
 oqs-sys = { version = "0.11.0", default-features = false, features = [
   'classic_mceliece',
   'kyber',