Increase thread sleep delay

[Crola1702]

🦟 Bug fix

Fixes #1886

Summary

Check #1886 (comment) and below

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

Merging #1902 (6305718) into gz-sim7 (4a19909) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           gz-sim7    #1902      +/-   ##
===========================================
- Coverage    64.63%   64.61%   -0.03%     
===========================================
  Files          347      347              
  Lines        27720    27720              
===========================================
- Hits         17917    17911       -6     
- Misses        9803     9809       +6     

Impacted Files	Coverage Δ
src/systems/thruster/Thruster.cc	83.62% <0.00%> (-2.59%)	⬇️

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