Bump aws-sdk-core from 3.186.0 to 3.188.0

Bumps [aws-sdk-core](https://github.com/aws/aws-sdk-ruby) from 3.186.0 to 3.188.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/version-3/gems/aws-sdk-core/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits)

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

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

Gemfile.lock

@@ -79,9 +79,9 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
     awesome_print (1.9.2)
-    aws-eventstream (1.2.0)
-    aws-partitions (1.848.0)
-    aws-sdk-core (3.186.0)
+    aws-eventstream (1.3.0)
+    aws-partitions (1.857.0)
+    aws-sdk-core (3.188.0)
       aws-eventstream (~> 1, >= 1.0.2)
       aws-partitions (~> 1, >= 1.651.0)
       aws-sigv4 (~> 1.5)
@@ -93,7 +93,7 @@ GEM
       aws-sdk-core (~> 3, >= 3.181.0)
       aws-sdk-kms (~> 1)
       aws-sigv4 (~> 1.6)
-    aws-sigv4 (1.6.1)
+    aws-sigv4 (1.7.0)
       aws-eventstream (~> 1, >= 1.0.2)
     base64 (0.2.0)
     bigdecimal (3.1.4)