AWS connecthealth documentation change
Summary
Renamed file from load-balancer-limits.md to connecthealth-quotas.md and updated PDF anchor reference; changed section heading from 'Monitoring' to 'CloudTrail logs'
Security assessment
File rename and content reorganization with no security-specific changes. The change from 'Monitoring' to 'CloudTrail logs' is a documentation refinement but doesn't introduce new security features or address vulnerabilities.