Bump aws-sdk-sagemaker from 1.220.0 to 1.221.0

Bumps [aws-sdk-sagemaker](https://github.com/aws/aws-sdk-ruby) from 1.220.0 to 1.221.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/version-3/gems/aws-sdk-sagemaker/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits)

---
updated-dependencies:
- dependency-name: aws-sdk-sagemaker
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -45,8 +45,8 @@ GEM
       aws-sdk-core (~> 3, >= 3.188.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.6)
-    aws-sdk-sagemaker (1.220.0)
-      aws-sdk-core (~> 3, >= 3.184.0)
+    aws-sdk-sagemaker (1.221.0)
+      aws-sdk-core (~> 3, >= 3.188.0)
       aws-sigv4 (~> 1.1)
     aws-sdk-sagemakerruntime (1.57.0)
       aws-sdk-core (~> 3, >= 3.184.0)