fix(deps): update module github.com/aws/smithy-go to v1.28.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/aws/smithy-go	v1.28.1 → v1.28.2

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Release Notes

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

v1.28.2

Compare Source

General Highlights

• Dependency Update: Updated to the latest SDK module versions

Module Highlights

• github.com/aws/smithy-go: v1.28.2
  • Bug Fix: Avoid allocating a slice in ValidateEndpointHost by indexing into the hostname instead of using strings.Split.
  • Bug Fix: Fix event stream decode panic on unknown header value type.
  • Bug Fix: Fix schema-serde CBOR decode panic on malformed string/blob length.
  • Bug Fix: JoinPath keeps a trailing slash when the added path is a slash.

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