Update dependency botocore to v1.24.21

This MR contains the following updates:

Package	Type	Update	Change
botocore	ironbank-pypi	patch	1.24.20 -> 1.24.21

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Release Notes

boto/botocore

v1.24.21

Compare Source

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• enhancement:Dependency: Added support for jmespath 1.0
• api-change:amplifybackend: Adding the ability to customize Cognito verification messages for email and SMS in CreateBackendAuth and UpdateBackendAuth. Adding deprecation documentation for ForgotPassword in CreateBackendAuth and UpdateBackendAuth
• api-change:acm-pca: AWS Certificate Manager (ACM) Private Certificate Authority (CA) now supports customizable certificate subject names and extensions.
• api-change:ssm-incidents: Removed incorrect validation pattern for IncidentRecordSource.invokedBy
• api-change:billingconductor: This is the initial SDK release for AWS Billing Conductor. The AWS Billing Conductor is a customizable billing service, allowing you to customize your billing data to match your desired business structure.
• api-change:s3outposts: S3 on Outposts is releasing a new API, ListSharedEndpoints, that lists all endpoints associated with S3 on Outpost, that has been shared by Resource Access Manager (RAM).

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