Bump github.com/aws/aws-sdk-go from 1.39.3 to 1.39.4 (#204)

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.39.3 to 1.39.4.
- [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@v1.39.3...v1.39.4)

---
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] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/giantswarm/etcd-backup-operator/v2
 go 1.13
 
 require (
-	github.com/aws/aws-sdk-go v1.39.3
+	github.com/aws/aws-sdk-go v1.39.4
 	github.com/coreos/go-semver v0.3.0
 	github.com/giantswarm/apiextensions/v3 v3.27.1
 	github.com/giantswarm/backoff v0.2.0

go.sum

@@ -88,8 +88,8 @@ github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:l
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
-github.com/aws/aws-sdk-go v1.39.3 h1:JMDk7p+AV89MdVy/ZcFWAGivWIE3vXOsRriFjFWVcIY=
-github.com/aws/aws-sdk-go v1.39.3/go.mod h1:585smgzpB/KqRA+K3y/NL/oYRqQvpNJYvLm+LY1U59Q=
+github.com/aws/aws-sdk-go v1.39.4 h1:nXBChUaG5cinrl3yg4/rUyssOOLH/ohk4S9K03kJirE=
+github.com/aws/aws-sdk-go v1.39.4/go.mod h1:585smgzpB/KqRA+K3y/NL/oYRqQvpNJYvLm+LY1U59Q=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
 github.com/aymerick/raymond v2.0.3-0.20180322193309-b565731e1464+incompatible/go.mod h1:osfaiScAUVup+UC9Nfq76eWqDhXlp+4UYaA8uhTBO6g=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=