fix jobservice container loglevel consistent with job_log

[MinerYang]

Thank you for contributing to Harbor!

Comprehensive Summary of your change

Issue being fixed

Fixes goharbor/harbor-helm#2166

Please indicate you've done the following:

• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.46%. Comparing base (c8c11b4) to head (f2ec22a).
Report is 456 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21874      +/-   ##
==========================================
+ Coverage   45.36%   46.46%   +1.09%     
==========================================
  Files         244      253       +9     
  Lines       13333    14233     +900     
  Branches     2719     2924     +205     
==========================================
+ Hits         6049     6613     +564     
- Misses       6983     7270     +287     
- Partials      301      350      +49     

Flag	Coverage Δ
unittests	46.46% <ø> (+1.09%)	⬆️

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see 178 files with indirect coverage changes

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[chlins]

lgtm