Update module github.com/aws/aws-sdk-go to v1.38.68

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/aws/aws-sdk-go	require	patch	v1.38.67 -> v1.38.68

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Release Notes

aws/aws-sdk-go

v1.38.68

Compare Source

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Service Client Updates

• service/amplifybackend: Updates service API and documentation
• service/proton: Updates service waiters
• service/snowball: Updates service API and documentation
  • AWS Snow Family customers can remotely monitor and operate their connected AWS Snowcone devices. AWS Snowball Edge Storage Optimized customers can now import and export their data using NFS.

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