Update smithy-rs version to release-2026-01-14 (#1398)

The following release configuration check
[failure](https://github.com/awslabs/aws-sdk-rust/actions/runs/21010967250/job/60405438543?pr=1398#step:5:28)
can be ignored:
```
Error: Tools changes detected between release-2025-12-08 and release-2026-01-14
tools/ci-build/Dockerfile
```
The only
[changes](https://github.com/smithy-lang/smithy-rs/commits/main/tools/ci-build/Dockerfile)
to `Dockerfile` since `release-2025-12-08` were layer shuffles to force
image rebuilds and clear accumulated layers (smithy-rs#4456,
smithy-rs#4472).

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