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

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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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.90%. Comparing base (743fbcf) to head (6cf2d35).
⚠️ Report is 3 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #8      +/-   ##
==========================================
+ Coverage   95.87%   96.90%   +1.03%     
==========================================
  Files           5        5              
  Lines          97       97              
==========================================
+ Hits           93       94       +1     
+ Misses          4        3       -1     

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