Bump sysinfo from 0.21.1 to 0.21.2 in /src/agent (#1513)

Bumps [sysinfo](https://github.com/GuillaumeGomez/sysinfo) from 0.21.1 to 0.21.2.
- [Release notes](https://github.com/GuillaumeGomez/sysinfo/releases)
- [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
  update-type: version-update:semver-patch
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Marc Greisen <marc@greisen.org>

src/agent/Cargo.lock

@@ -2939,9 +2939,9 @@ dependencies = [
 
 [[package]]
 name = "sysinfo"
-version = "0.21.1"
+version = "0.21.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb6c2c4a6ca462f07ca89841a2618dca6e405304d19ae238997e64915d89f513"
+checksum = "8f88d66f3341b688163d3585037954ff276cf24a234d015b30025318a3e3449a"
 dependencies = [
  "cfg-if 1.0.0",
  "core-foundation-sys",