chore: bump signal-hook from 0.2.3 to 0.3.10 (#21081)

* chore: bump signal-hook from 0.2.3 to 0.3.10

Bumps [signal-hook](https://github.com/vorner/signal-hook) from 0.2.3 to 0.3.10.
- [Release notes](https://github.com/vorner/signal-hook/releases)
- [Changelog](https://github.com/vorner/signal-hook/blob/master/CHANGELOG.md)
- [Commits](https://github.com/vorner/signal-hook/compare/v0.2.3...v0.3.10)

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

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

* Update apis

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Tyera Eulberg <tyera@solana.com>

validator/Cargo.toml

@@ -56,7 +56,7 @@ jemallocator = {package = "tikv-jemallocator", version = "0.4.1", features = ["u
 
 [target."cfg(unix)".dependencies]
 libc = "0.2.105"
-signal-hook = "0.2.3"
+signal-hook = "0.3.10"
 sysctl = "0.4.2"
 
 [package.metadata.docs.rs]

validator/src/lib.rs

@@ -55,11 +55,12 @@ pub fn redirect_stderr_to_file(logfile: Option<String>) -> Option<JoinHandle<()>
             #[cfg(unix)]
             {
                 use log::info;
-                let signals = signal_hook::iterator::Signals::new(&[signal_hook::SIGUSR1])
-                    .unwrap_or_else(|err| {
-                        eprintln!("Unable to register SIGUSR1 handler: {:?}", err);
-                        exit(1);
-                    });
+                let mut signals =
+                    signal_hook::iterator::Signals::new(&[signal_hook::consts::SIGUSR1])
+                        .unwrap_or_else(|err| {
+                            eprintln!("Unable to register SIGUSR1 handler: {:?}", err);
+                            exit(1);
+                        });
 
                 solana_logger::setup_with_default(filter);
                 redirect_stderr(&logfile);