Bump libsodium-sys-stable from 1.21.2 to 1.21.3

Bumps [libsodium-sys-stable](https://github.com/jedisct1/libsodium-sys-stable) from 1.21.2 to 1.21.3.
- [Commits](https://github.com/jedisct1/libsodium-sys-stable/commits/1.21.3)

---
updated-dependencies:
- dependency-name: libsodium-sys-stable
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Cargo.toml

@@ -32,7 +32,7 @@ hyper = { version = "0.14.30", default-features = false, features = [
   "http1",
 ], optional = true }
 ipext = "0.1.0"
-libsodium-sys-stable = "1.21.2"
+libsodium-sys-stable = "1.21.3"
 log = { version = "0.4.22", features = ["std", "release_max_level_debug"] }
 mimalloc = { version = "0.1.43", default-features = false }
 socket2 = "0.5.7"