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 1.20.0 to 1.21.0.
- [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/v1.20.0...service/s3/v1.21.0)

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

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

vendor/github.com/aws/smithy-go/encoding/httpbinding/encode.go

@@ -26,10 +26,17 @@ type Encoder struct {
 	header http.Header
 }
 
-// NewEncoder creates a new encoder from the passed in request. All query and
+// NewEncoder creates a new encoder from the passed in request. It assumes that
+// raw path contains no valuable information at this point, so it passes in path
+// as path and raw path for subsequent trans
+func NewEncoder(path, query string, headers http.Header) (*Encoder, error) {
+	return NewEncoderWithRawPath(path, path, query, headers)
+}
+
+// NewHTTPBindingEncoder creates a new encoder from the passed in request. All query and
 // header values will be added on top of the request's existing values. Overwriting
 // duplicate values.
-func NewEncoder(path, query string, headers http.Header) (*Encoder, error) {
+func NewEncoderWithRawPath(path, rawPath, query string, headers http.Header) (*Encoder, error) {
 	parseQuery, err := url.ParseQuery(query)
 	if err != nil {
 		return nil, fmt.Errorf("failed to parse query string: %w", err)
@@ -37,7 +44,7 @@ func NewEncoder(path, query string, headers http.Header) (*Encoder, error) {
 
 	e := &Encoder{
 		path:    []byte(path),
-		rawPath: []byte(path),
+		rawPath: []byte(rawPath),
 		query:   parseQuery,
 		header:  headers.Clone(),
 	}