Missing 'maxConnections' configuration item

[deidei1216]

trafficstars

Describe the feature

For istio I want to configure maxConnections

Proposed solution

   service:
    port: 80
    portDiscovery: true
    delegation: true
    trafficPolicy:
      connectionPool:
        http:
          http1MaxPendingRequests: 100
          maxRequestsPerConnection: 1000
        tcp:
          maxConnections: 500
      outlierDetection:
        baseEjectionTime: 10m
        consecutive5xxErrors: 50
        interval: 10s
        maxEjectionPercent: 50