Remove legacy health checks and add new health check classes

Breaking changes

• Remove method connection.getReport in favor of dedicated health check classes.
• Remove type HealthReportNode.
• Remove config option healthCheck

Commits

• refactor: split connection and memory checks in two health checks a4014e3
• refactor: update warning and error threshold messages e81a395
• refactor: add connection keyword to health check name 6e8dc87
• feat: add dedicated health check class 118c866
• chore: update dependencies e613330
• Merge pull request #61 from LeadcodeDev/develop 8c8ab15
• feat(env): add missing quotes 90d95ea
• feat(env): add missing password key as optional string d330f82

What's Changed

• Add missing REDIS_PASSWORD env key by @LeadcodeDev in #61

New Contributors

• @LeadcodeDev made their first contribution in #61

Full Changelog: v8.0.1...v9.0.0