rebase: bump github.com/aws/aws-sdk-go-v2/service/sts

Bumps [github.com/aws/aws-sdk-go-v2/service/sts](https://github.com/aws/aws-sdk-go-v2) from 1.16.13 to 1.16.17.
- [Release notes](https://github.com/aws/aws-sdk-go-v2/releases)
- [Changelog](https://github.com/aws/aws-sdk-go-v2/blob/main/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-go-v2/compare/v1.16.13...service/ram/v1.16.17)

---
updated-dependencies:
- dependency-name: github.com/aws/aws-sdk-go-v2/service/sts
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/aws/smithy-go/transport/http/request.go

@@ -7,6 +7,7 @@ import (
 	"io/ioutil"
 	"net/http"
 	"net/url"
+	"strings"
 
 	iointernal "github.com/aws/smithy-go/transport/http/internal/io"
 )
@@ -33,6 +34,14 @@ func NewStackRequest() interface{} {
 	}
 }
 
+// IsHTTPS returns if the request is HTTPS. Returns false if no endpoint URL is set.
+func (r *Request) IsHTTPS() bool {
+	if r.URL == nil {
+		return false
+	}
+	return strings.EqualFold(r.URL.Scheme, "https")
+}
+
 // Clone returns a deep copy of the Request for the new context. A reference to
 // the Stream is copied, but the underlying stream is not copied.
 func (r *Request) Clone() *Request {