Bump github.com/aws/aws-sdk-go from 1.38.62 to 1.38.64

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.38.62 to 1.38.64.
- [Release notes](https://github.com/aws/aws-sdk-go/releases)
- [Changelog](https://github.com/aws/aws-sdk-go/blob/main/CHANGELOG.md)
- [Commits](aws/aws-sdk-go@v1.38.62...v1.38.64)

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

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

go.mod

@@ -4,6 +4,6 @@ go 1.15
 
 require (
 	github.com/aws/aws-lambda-go v1.24.0
-	github.com/aws/aws-sdk-go v1.38.62
+	github.com/aws/aws-sdk-go v1.38.64
 	github.com/kelseyhightower/envconfig v1.4.0
 )

go.sum

@@ -1,8 +1,8 @@
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/aws/aws-lambda-go v1.24.0 h1:bOMerM175hLqHLdF1Nonfv1NA20nTIatuC0HK8eMoYg=
 github.com/aws/aws-lambda-go v1.24.0/go.mod h1:jJmlefzPfGnckuHdXX7/80O3BvUUi12XOkbv4w9SGLU=
-github.com/aws/aws-sdk-go v1.38.62 h1:w7r48cTciWCJK//YH+oN8HhNXzPDdlucV3XT6KGDMjE=
-github.com/aws/aws-sdk-go v1.38.62/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
+github.com/aws/aws-sdk-go v1.38.64 h1:aE178SZNBpAT9T2U5hacKJiyiRE/Li2Hax6xddVuyGA=
+github.com/aws/aws-sdk-go v1.38.64/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=