Update dependency boto3 to v1.28.60

This MR contains the following updates:

Package	Update	Change
boto3	patch	==1.28.59 -> ==1.28.60

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Release Notes

boto/boto3

v1.28.60

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• api-change:appconfig: [botocore] AWS AppConfig introduces KMS customer-managed key (CMK) encryption support for data saved to AppConfig's hosted configuration store.
• api-change:datazone: [botocore] Initial release of Amazon DataZone
• api-change:mediatailor: [botocore] Updates DescribeVodSource to include a list of ad break opportunities in the response
• api-change:mgn: [botocore] This release includes the following new APIs: ListConnectors, CreateConnector, UpdateConnector, DeleteConnector and UpdateSourceServer to support the source action framework feature.
• api-change:sagemaker: [botocore] Adding support for AdditionalS3DataSource, a data source used for training or inference that is in addition to the input dataset or model data.

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