Mvs local mode timeout

[mvsusp]

Description of changes:

Setting health check timeout limit on local mode to match the limit defined by the docs https://docs.aws.amazon.com/sagemaker/latest/dg/your-algorithms-inference-code.html#your-algorithms-inference-algo-ping-requests

Merge Checklist

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• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works (if appropriate)
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[codecov-io]

Codecov Report

Merging #401 into master will decrease coverage by 0.16%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #401      +/-   ##
==========================================
- Coverage   93.11%   92.94%   -0.17%     
==========================================
  Files          51       51              
  Lines        3572     3573       +1     
==========================================
- Hits         3326     3321       -5     
- Misses        246      252       +6

Impacted Files	Coverage Δ
src/sagemaker/local/local_session.py	80.18% <100%> (+0.18%)	⬆️
src/sagemaker/local/image.py	87.42% <0%> (-1.8%)	⬇️

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[iquintero]

Please change the title of the PR/Commit when you merge.
'Adjust local mode timeout to match SageMaker' or something like that.

[iquintero]

Closing in favor of #375