security/step-certificates: Update 0.27.5 → 0.28.1, fix issues with rc-script
- Rename rc-script from step-ca to step_ca.
- Fix permission issue in step_ca rc-script.
Changelogs:
https://github.com/smallstep/certificates/releases/tag/v0.28.0
https://github.com/smallstep/certificates/releases/tag/v0.28.1
PR: 283894 282633