build(deps): update sysinfo requirement from 0.15.3 to 0.16.3 (#526)

Updates the requirements on [sysinfo](https://github.com/GuillaumeGomez/sysinfo) to permit the latest version.
- [Release notes](https://github.com/GuillaumeGomez/sysinfo/releases)
- [Commits](https://github.com/GuillaumeGomez/sysinfo/commits)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

kvdb-rocksdb/Cargo.toml

@@ -31,6 +31,6 @@ kvdb-shared-tests = { path = "../kvdb-shared-tests", version = "0.7" }
 rand = "0.8.0"
 tempfile = "3.1.0"
 keccak-hash = { path = "../keccak-hash" }
-sysinfo = "0.15.3"
+sysinfo = "0.16.3"
 ctrlc = "3.1.4"
 chrono = "0.4"