feat(serverless_jobs): add retry policy

[scaleway-bot]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 55.43%. Comparing base (1974120) to head (1828dfe).
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
internal/namespaces/jobs/v1alpha2/jobs_cli.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5333      +/-   ##
==========================================
- Coverage   55.44%   55.43%   -0.01%     
==========================================
  Files         320      320              
  Lines       72233    72235       +2     
==========================================
  Hits        40046    40046              
- Misses      30693    30695       +2     
  Partials     1494     1494              

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