Bump github.com/aws/aws-sdk-go from 1.37.15 to 1.37.20 in /detectors/aws (#591)

Bumps [github.com/aws/aws-sdk-go](https://github.com/aws/aws-sdk-go) from 1.37.15 to 1.37.20.
- [Release notes](https://github.com/aws/aws-sdk-go/releases)
- [Changelog](https://github.com/aws/aws-sdk-go/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-go@v1.37.15...v1.37.20)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

detectors/aws/go.mod

@@ -3,7 +3,7 @@ module go.opentelemetry.io/contrib/detectors/aws
 go 1.14
 
 require (
-	github.com/aws/aws-sdk-go v1.37.15
+	github.com/aws/aws-sdk-go v1.37.20
 	github.com/stretchr/testify v1.7.0
 	go.opentelemetry.io/otel v0.17.0
 	go.opentelemetry.io/otel/sdk v0.17.0

detectors/aws/go.sum

@@ -1,5 +1,5 @@
-github.com/aws/aws-sdk-go v1.37.15 h1:W7l7gLLMcYRlg6a+uvf3Zz4jYwdqYzhe5ymqwWoOhp4=
-github.com/aws/aws-sdk-go v1.37.15/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
+github.com/aws/aws-sdk-go v1.37.20 h1:CJCXpMYmBJrRH8YwoSE0oB9S3J5ax+62F14sYlDCztg=
+github.com/aws/aws-sdk-go v1.37.20/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/google/go-cmp v0.5.4 h1:L8R9j+yAqZuZjsqh/z+F1NCffTKKLShY6zXTItVIZ8M=