feat: support auto-cpufreq

[SteveLauC]

Standards checklist:

• The PR title is descriptive.
• I have read CONTRIBUTING.md
• The code compiles (cargo build)
• The code passes rustfmt (cargo fmt)
• The code passes clippy (cargo clippy)
• The code passes tests (cargo test)
• Optional: I have tested the code myself

For new steps

• Optional: Topgrade skips this step where needed
• Optional: The --dry-run option works with this step

It should work considering this step involves only 1 command.

• Optional: The --yes option works with this step if it is supported by
  the underlying command

Does not seem to be supported: https://github.com/AdnanHodzic/auto-cpufreq?tab=readme-ov-file#update---auto-cpufreq-update

If you developed a feature or a bug fix for someone else and you do not have the
means to test it, please tag this person here.

Closes #793

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 13 lines in your changes are missing coverage. Please review.

Project coverage is 6.60%. Comparing base (2a1999f) to head (5662472).

Files	Patch %	Lines
src/steps/os/linux.rs	0.00%	12 Missing ⚠️
src/main.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #800      +/-   ##
========================================
- Coverage   6.65%   6.60%   -0.06%     
========================================
  Files         37      37              
  Lines      12107   12199      +92     
========================================
  Hits         806     806              
- Misses     11301   11393      +92     

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