/cmd followups (#5533)

Closes: https://github.com/paritytech/polkadot-sdk/issues/5545

- add missing template for frame & xcm benchmarks
- fix `git pull` ->
https://github.com/paritytech/polkadot-sdk/actions/runs/10644887539/job/29510118915
- respect runtimes headers - use GNU instead of apache for runtimes
- adds tests for cmd.py

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Co-authored-by: GitHub Action <[email protected]>