chore(secrets): bump semanticVersion for aws-cn (#28733)

This PR bumps the default version for aws-cn partition.

```
% aws --profile bjs serverlessrepo get-application --application-id arn:aws-cn:serverlessrepo:cn-north-1:193023089310:applications/SecretsManagerRDSPostgreSQLRotationSingleUser --query Version.SemanticVersion --output text
1.1.212
```



Closes #28696

----

*By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license*

Author: pahud

packages/@aws-cdk-testing/framework-integ/test/aws-docdb/test/integ.cluster-rotation.lit.js.snapshot/aws-cdk-docdb-cluster-rotation.assets.json

@@ -695,7 +695,7 @@
    },
    "aws-cn": {
     "applicationId": "arn:aws-cn:serverlessrepo:cn-north-1:193023089310:applications/SecretsManagerMongoDBRotationSingleUser",
-    "semanticVersion": "1.1.37"
+    "semanticVersion": "1.1.212"
    },
    "aws-us-gov": {
     "applicationId": "arn:aws-us-gov:serverlessrepo:us-gov-west-1:023102451235:applications/SecretsManagerMongoDBRotationSingleUser",