Fix a little typo in the README.md

[cottsay]

🦟 Bug fix

Summary

acutators -> actuators

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• While waiting for a review on your PR, please help review another open pull request to support the maintainers

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by messages.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c3960a5) 92.40% compared to head (7e43e37) 92.40%.
Report is 3 commits behind head on sdf14.

❗ Current head 7e43e37 differs from pull request most recent head e142b06. Consider uploading reports for the commit e142b06 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##            sdf14    #1365   +/-   ##
=======================================
  Coverage   92.40%   92.40%           
=======================================
  Files         134      134           
  Lines       17674    17674           
=======================================
  Hits        16332    16332           
  Misses       1342     1342           

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