Update module github.com/aws/aws-sdk-go to v1.45.8

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
github.com/aws/aws-sdk-go	require	patch	v1.45.7 -> v1.45.8

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Release Notes

aws/aws-sdk-go (github.com/aws/aws-sdk-go)

### [`v1.45.8`](https://togithub.com/aws/aws-sdk-go/blob/HEAD/CHANGELOG.md#Release-v1458-2023-09-12) [Compare Source](https://togithub.com/aws/aws-sdk-go/compare/v1.45.7...v1.45.8) \=== ##### Service Client Updates - `service/ec2`: Updates service API and documentation - This release adds support for restricting public sharing of AMIs through AMI Block Public Access - `service/eventbridge`: Updates service API and documentation - `service/kendra`: Updates service API and documentation - Amazon Kendra now supports confidence score buckets for retrieved passage results using the Retrieve API. ##### SDK Enhancements - `service/glacier`: Improve efficiency of tree hash algorithm - Refactor tree hashing to reduce allocations.

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