rebase: bump the github-dependencies group with 2 updates

Bumps the github-dependencies group with 2 updates: [github.com/aws/aws-sdk-go-v2/service/sts](https://github.com/aws/aws-sdk-go-v2) and [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang).


Updates `github.com/aws/aws-sdk-go-v2/service/sts` from 1.30.7 to 1.31.1
- [Release notes](https://github.com/aws/aws-sdk-go-v2/releases)
- [Changelog](https://github.com/aws/aws-sdk-go-v2/blob/service/s3/v1.31.1/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-go-v2/compare/service/mgn/v1.30.7...service/s3/v1.31.1)

Updates `github.com/prometheus/client_golang` from 1.20.3 to 1.20.4
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.20.3...v1.20.4)

---
updated-dependencies:
- dependency-name: github.com/aws/aws-sdk-go-v2/service/sts
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-dependencies
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: github-dependencies
...

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

vendor/github.com/aws/smithy-go/go_module_metadata.go

@@ -3,4 +3,4 @@
 package smithy
 
 // goModuleVersion is the tagged release for this module
-const goModuleVersion = "1.20.4"
+const goModuleVersion = "1.21.0"