Update sysinfo requirement from 0.28.4 to 0.29.0 (#204)

Updates the requirements on [sysinfo](https://github.com/GuillaumeGomez/sysinfo) to permit the latest version.
- [Changelog](https://github.com/GuillaumeGomez/sysinfo/blob/master/CHANGELOG.md)
- [Commits](https://github.com/GuillaumeGomez/sysinfo/commits)

---
updated-dependencies:
- dependency-name: sysinfo
  dependency-type: direct:production
...

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

vergen/Cargo.toml

@@ -43,7 +43,7 @@ anyhow = "1.0.70"
 git2-rs = { version = "0.17.1", package = "git2", optional = true, default-features = false }
 gix = { version = "0.44.1", optional = true, default-features = false }
 rustc_version = { version = "0.4.0", optional = true }
-sysinfo = { version = "0.28.4", optional = true, default-features = false }
+sysinfo = { version = "0.29.0", optional = true, default-features = false }
 time = { version = "0.3.20", features = [
     "formatting",
     "parsing",