[Bug] Fix threads parsing bugs

[qrtt1]

Fixes #907

PR checklist

• Ensure you have added or ran the appropriate tests for your PR.
• DCO signed

What type of PR is this?

bugfix

What this PR does / why we need it:

Make sure the threads is an integer value.

Which issue(s) this PR fixes:

sc-32473

[codecov]

Codecov Report

Merging #909 (4dd1591) into main (62890e7) will decrease coverage by 0.03%.
The diff coverage is 29.41%.

@@            Coverage Diff             @@
##             main     #909      +/-   ##
==========================================
- Coverage   47.97%   47.95%   -0.03%     
==========================================
  Files          77       77              
  Lines       10726    10739      +13     
==========================================
+ Hits         5146     5150       +4     
- Misses       5580     5589       +9     

Files	Coverage Δ
piperider_cli/__init__.py	51.86% <50.00%> (-0.31%)	⬇️
piperider_cli/datasource/__init__.py	53.73% <0.00%> (-1.66%)	⬇️

... and 1 file with indirect coverage changes

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