fix: ls accept minus 1 on pagination requests

Type of change

• Bug Fix
• Feature
• Pipeline
• Test
• Documentation
• Enhancement

Does this introduce a change in the core logic?

• No
• Yes

Does this introduce a change in the cloud provider implementation, if so which cloud?

• AWS
• Anthos
• Azure
• GCP
• IBM

Does this follow conventional commits spec?

• No
• Yes

Have you set the target Milestone?

• No
• Yes

Have you set the no-detached-pipeline label?

• No
• Yes

Updates description?

Added -1 as accepted values for pagination on the ls method. -1 is the default value for the MaxItemCount option in the sdk. It will let SDK to automatically finds the optimal value (to maximize query performances). ref