Bump github.com/aws/aws-sdk-go from 1.53.20 to 1.53.21

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.53.20 to 1.53.21.
- [Release notes](https://github.com/aws/aws-sdk-go/releases)
- [Changelog](https://github.com/aws/aws-sdk-go/blob/main/CHANGELOG_PENDING.md)
- [Commits](aws/aws-sdk-go@v1.53.20...v1.53.21)

---
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

@@ -3,7 +3,7 @@ module github.com/clivern/walrus
 go 1.20
 
 require (
-	github.com/aws/aws-sdk-go v1.53.20
+	github.com/aws/aws-sdk-go v1.53.21
 	github.com/drone/envsubst v1.0.3
 	github.com/franela/goblin v0.0.0-20211003143422-0a4f594942bf
 	github.com/gin-gonic/gin v1.9.1

go.sum

@@ -38,8 +38,8 @@ cloud.google.com/go/storage v1.14.0/go.mod h1:GrKmX003DSIwi9o29oFT7YDnHYwZoctc3f
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
-github.com/aws/aws-sdk-go v1.53.20 h1:cYWPvZLP1gPj5CfUdnfjaaA7WFK3FGoJ/R9+Ks1inU4=
-github.com/aws/aws-sdk-go v1.53.20/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
+github.com/aws/aws-sdk-go v1.53.21 h1:vAXk3mJQqveg1H3uZaUBaGXrKWa97hc9zBhudsDZugA=
+github.com/aws/aws-sdk-go v1.53.21/go.mod h1:LF8svs817+Nz+DmiMQKTO3ubZ/6IaTpq3TjupRn3Eqk=
 github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
 github.com/benbjohnson/clock v1.1.0/go.mod h1:J11/hYXuz8f4ySSvYwY0FKfm+ezbsZBKZxNJlLklBHA=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=