* Add new hardware and software metrics
* Move sysinfo tests into `mod tests`
* Correct a typo in a comment
* Remove unnecessary `nix` dependency
* Fix the version tests
* Add a `--disable-hardware-benchmarks` CLI argument
* Disable hardware benchmarks in the integration tests
* Remove unused import
* Fix benchmarks compilation
* Move code to a new `sc-sysinfo` crate
* Correct `impl_version` comment
* Move `--disable-hardware-benchmarks` to the chain-specific bin crate
* Move printing out of hardware bench results to `sc-sysinfo`
* Move hardware benchmarks to a separate messages; trigger them manually
* Rename some of the fields in the `HwBench` struct
* Revert changes to the telemetry crate; manually send hwbench messages
* Move sysinfo logs into the sysinfo crate
* Move the `TARGET_OS_*` constants into the sysinfo crate
* Minor cleanups
* Move the `HwBench` struct to the sysinfo crate
* Derive `Clone` for `HwBench`
* Fix broken telemetry connection notification stream
* Prevent the telemetry connection notifiers from leaking if they're disconnected
* Turn the telemetry notification failure log into a debug log
* Rename `--disable-hardware-benchmarks` to `--no-hardware-benchmarks`