chore: upgrade Smithy to 1.50.0

[ianbotsf]

Issue \

(none)

Description of changes

This change upgrades Smithy to 1.50.0, the latest version available.

Companion PR: https://github.com/smithy-lang/smithy-kotlin/pull/1115

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions[bot]]

A new generated diff is ready to view.

• No codegen difference in the AWS SDK

[github-actions[bot]]

Affected Artifacts

No artifacts changed size

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[github-actions[bot]]

A new generated diff is ready to view.

• No codegen difference in the AWS SDK

[github-actions[bot]]

Affected Artifacts

Changed in size

| Artifact |Pull Request (bytes) | Latest Release (bytes) | Delta (bytes) | Delta (percentage) | | -------- | ------------------: | ---------------------: | ------------: | -----------------: | |paymentcryptographydata-jvm.jar closure|9,241,104|9,241,360|-256|-0.00%| |paymentcryptographydata-jvm.jar|1,027,104|1,027,359|-255|-0.02%| |qbusiness-jvm.jar closure|11,309,576|11,329,939|-20,363|-0.18%| |qbusiness-jvm.jar|3,008,327|3,028,689|-20,362|-0.67%| |qapps-jvm.jar|(does not exist)|1,025,321|-1,025,321|-100.00%| |qapps-jvm.jar closure|(does not exist)|9,239,322|-9,239,322|-100.00%|