Add precomputed pod startup durations

[w21froster]

Description

Type of change

• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] New feature / enhancement (non-breaking change which adds functionality)
• [ ] Security fix
• [ ] Bug fix (non-breaking change which fixes an issue)

Checklist:

• [ ] Add changelog entry following the contributing guide
• [ ] Documentation has been updated
• [ ] This change requires changes in testing:
  • [ ] unit tests
  • [ ] E2E tests

[CLAassistant]

All committers have signed the CLA.