vendor: update all dependencies

vendor/github.com/aws/aws-sdk-go/service/sts/api.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/awsutil"
+	"github.com/aws/aws-sdk-go/aws/credentials"
 	"github.com/aws/aws-sdk-go/aws/request"
 )
 
@@ -243,6 +244,7 @@ func (c *STS) AssumeRoleWithSAMLRequest(input *AssumeRoleWithSAMLInput) (req *re
 
 	output = &AssumeRoleWithSAMLOutput{}
 	req = c.newRequest(op, input, output)
+	req.Config.Credentials = credentials.AnonymousCredentials
 	return
 }
 
@@ -425,6 +427,7 @@ func (c *STS) AssumeRoleWithWebIdentityRequest(input *AssumeRoleWithWebIdentityI
 
 	output = &AssumeRoleWithWebIdentityOutput{}
 	req = c.newRequest(op, input, output)
+	req.Config.Credentials = credentials.AnonymousCredentials
 	return
 }