Add workerConnections field to helm chart

Author: sarthyparty

charts/nginx-gateway-fabric/values.yaml

@@ -375,6 +375,8 @@ nginx:
   # -- The configuration for the data plane that is contained in the NginxProxy resource. This is applied globally to all Gateways
   # managed by this instance of NGINX Gateway Fabric.
   config: {}
+    # -- The number of worker connections for NGINX. Default is 1024.
+    # workerConnections: 1024
 
   # -- The pod configuration for the NGINX data plane pod. This is applied globally to all Gateways managed by this
   # instance of NGINX Gateway Fabric.