provider: Add QuickSight client

Reference: #8146

This change verifies the new AWS Go SDK client addition process after #8096

Go Modules updated via:

```
go test ./aws
go mod tidy
go mod vendor
```

aws/config.go

@@ -92,6 +92,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/organizations"
 	"github.com/aws/aws-sdk-go/service/pinpoint"
 	"github.com/aws/aws-sdk-go/service/pricing"
+	"github.com/aws/aws-sdk-go/service/quicksight"
 	"github.com/aws/aws-sdk-go/service/ram"
 	"github.com/aws/aws-sdk-go/service/rds"
 	"github.com/aws/aws-sdk-go/service/redshift"
@@ -241,6 +242,7 @@ type AWSClient struct {
 	partition                           string
 	pinpointconn                        *pinpoint.Pinpoint
 	pricingconn                         *pricing.Pricing
+	quicksightconn                      *quicksight.QuickSight
 	r53conn                             *route53.Route53
 	ramconn                             *ram.RAM
 	rdsconn                             *rds.RDS
@@ -411,6 +413,7 @@ func (c *Config) Client() (interface{}, error) {
 		partition:                           partition,
 		pinpointconn:                        pinpoint.New(sess.Copy(&aws.Config{Endpoint: aws.String(c.Endpoints["pinpoint"])})),
 		pricingconn:                         pricing.New(sess.Copy(&aws.Config{Endpoint: aws.String(c.Endpoints["pricing"])})),
+		quicksightconn:                      quicksight.New(sess.Copy(&aws.Config{Endpoint: aws.String(c.Endpoints["quicksight"])})),
 		r53conn:                             route53.New(sess.Copy(&aws.Config{Region: aws.String("us-east-1"), Endpoint: aws.String(c.Endpoints["route53"])})),
 		ramconn:                             ram.New(sess.Copy(&aws.Config{Endpoint: aws.String(c.Endpoints["ram"])})),
 		rdsconn:                             rds.New(sess.Copy(&aws.Config{Endpoint: aws.String(c.Endpoints["rds"])})),

aws/provider.go

@@ -924,6 +924,7 @@ func init() {
 		"organizations",
 		"pinpoint",
 		"pricing",
+		"quicksight",
 		"r53",
 		"ram",
 		"rds",