fix: remove offset limit for certificate and CA listing endpoints

[Guru6163]

Description 📣

issue: #4640

• Remove max(100) constraint from offset parameter in certificate listing endpoints
• Fixes pagination issue where users couldn't list more than 200 certificates
• Affects both v1 and v2 API endpoints for certificates and certificate authorities
• Allows unlimited pagination through large certificate collections

Type ✨

• [x] Bug fix
• [ ] New feature
• [ ] Improvement
• [ ] Breaking change
• [ ] Documentation

Tests 🛠️

npm run test:unit

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• [x] I have read the contributing guide, agreed and acknowledged the code of conduct. 📝

[maidul98]

:white_check_mark: Snyk checks have passed. No issues have been found so far.

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