chore(deps): bump github.com/aws/aws-sdk-go from 1.44.136 to 1.44.171

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.44.136 to 1.44.171.
- [Release notes](https://github.com/aws/aws-sdk-go/releases)
- [Commits](aws/aws-sdk-go@v1.44.136...v1.44.171)

---
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

@@ -21,7 +21,7 @@ require (
 	github.com/aquasecurity/tml v0.6.1
 	github.com/aquasecurity/trivy-db v0.0.0-20221227141502-af78ecb7db4c
 	github.com/aquasecurity/trivy-kubernetes v0.3.1-0.20221021174315-8d74450b4506
-	github.com/aws/aws-sdk-go v1.44.136
+	github.com/aws/aws-sdk-go v1.44.171
 	github.com/aws/aws-sdk-go-v2 v1.17.1
 	github.com/aws/aws-sdk-go-v2/config v1.18.3
 	github.com/aws/aws-sdk-go-v2/service/ec2 v1.63.1
@@ -62,7 +62,7 @@ require (
 	github.com/package-url/packageurl-go v0.1.1-0.20220203205134-d70459300c8a
 	github.com/samber/lo v1.36.0
 	github.com/secure-systems-lab/go-securesystemslib v0.4.0
-	github.com/sigstore/rekor v1.0.1
+	github.com/sigstore/rekor v0.2.0
 	github.com/sosedoff/gitkit v0.3.0
 	github.com/spf13/cobra v1.6.0
 	github.com/spf13/pflag v1.0.5