Update dependency boto3 to v1.21.40

This MR contains the following updates:

Package	Type	Update	Change
boto3	ironbank-pypi	patch	1.21.38 -> 1.21.40

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Release Notes

boto/boto3

v1.21.40

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• api-change:cloudwatch: [botocore] Update cloudwatch client to latest version
• api-change:fsx: [botocore] This release adds support for deploying FSx for ONTAP file systems in a single Availability Zone.

v1.21.39

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• api-change:ec2: [botocore] X2idn and X2iedn instances are powered by 3rd generation Intel Xeon Scalable processors with an all-core turbo frequency up to 3.5 GHzAmazon EC2. C6a instances are powered by 3rd generation AMD EPYC processors.
• api-change:devops-guru: [botocore] This release adds new APIs DeleteInsight to deletes the insight along with the associated anomalies, events and recommendations.
• api-change:efs: [botocore] Update efs client to latest version
• api-change:iottwinmaker: [botocore] This release adds the following new features: 1) ListEntities API now supports search using ExternalId. 2) BatchPutPropertyValue and GetPropertyValueHistory API now allows users to represent time in sub-second level precisions.

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